Home / 711,348.20-1,068,251.10-379,572.20

Finding the Fourth Proportional to 711,348.20, 1,068,251.10 and 379,572.20

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Solution

The fourth proportional to 711,348.20, 1,068,251.10 and 379,572.20 is: 570,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,348.20 : 1,068,251.10 = 379,572.20 : x
  2. Step 2: Convert to fraction form
    711,348.20/1,068,251.10 = 379,572.20/x
  3. Step 3: Cross multiply
    711,348.20x = 1,068,251.10 × 379,572.20
  4. Step 4: Simplify right side
    711,348.20x = 405,478,420,179.42
  5. Step 5: Solve for x
    x = 405,478,420,179.42/711,348.20
  6. Step 6: Final answer
    x = 570,013.98

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Double scale
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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.