Home / 918,140.70-1,377,211.05-244,220.70

Finding the Fourth Proportional to 918,140.70, 1,377,211.05 and 244,220.70

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Solution

The fourth proportional to 918,140.70, 1,377,211.05 and 244,220.70 is: 366,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,140.70 : 1,377,211.05 = 244,220.70 : x
  2. Step 2: Convert to fraction form
    918,140.70/1,377,211.05 = 244,220.70/x
  3. Step 3: Cross multiply
    918,140.70x = 1,377,211.05 × 244,220.70
  4. Step 4: Simplify right side
    918,140.70x = 336,343,446,678.74
  5. Step 5: Solve for x
    x = 336,343,446,678.74/918,140.70
  6. Step 6: Final answer
    x = 366,331.05

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Half scale
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Double scale
Find fourth proportional to 918,141.70, 1,377,212.55 and 244,221.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.