Home / 918,020.40-1,377,030.60-244,205.70

Finding the Fourth Proportional to 918,020.40, 1,377,030.60 and 244,205.70

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Solution

The fourth proportional to 918,020.40, 1,377,030.60 and 244,205.70 is: 366,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,020.40 : 1,377,030.60 = 244,205.70 : x
  2. Step 2: Convert to fraction form
    918,020.40/1,377,030.60 = 244,205.70/x
  3. Step 3: Cross multiply
    918,020.40x = 1,377,030.60 × 244,205.70
  4. Step 4: Simplify right side
    918,020.40x = 336,278,721,594.42
  5. Step 5: Solve for x
    x = 336,278,721,594.42/918,020.40
  6. Step 6: Final answer
    x = 366,308.55

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Double scale
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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.