Home / 918,110.70-1,377,166.05-650,421.90

Finding the Fourth Proportional to 918,110.70, 1,377,166.05 and 650,421.90

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Solution

The fourth proportional to 918,110.70, 1,377,166.05 and 650,421.90 is: 975,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,110.70 : 1,377,166.05 = 650,421.90 : x
  2. Step 2: Convert to fraction form
    918,110.70/1,377,166.05 = 650,421.90/x
  3. Step 3: Cross multiply
    918,110.70x = 1,377,166.05 × 650,421.90
  4. Step 4: Simplify right side
    918,110.70x = 895,738,958,856.50
  5. Step 5: Solve for x
    x = 895,738,958,856.50/918,110.70
  6. Step 6: Final answer
    x = 975,632.85

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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.