Home / 915,593.22-1,372,946.76-316,344.29

Finding the Fourth Proportional to 915,593.22, 1,372,946.76 and 316,344.29

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Solution

The fourth proportional to 915,593.22, 1,372,946.76 and 316,344.29 is: 474,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,593.22 : 1,372,946.76 = 316,344.29 : x
  2. Step 2: Convert to fraction form
    915,593.22/1,372,946.76 = 316,344.29/x
  3. Step 3: Cross multiply
    915,593.22x = 1,372,946.76 × 316,344.29
  4. Step 4: Simplify right side
    915,593.22x = 434,323,861,135.27
  5. Step 5: Solve for x
    x = 434,323,861,135.27/915,593.22
  6. Step 6: Final answer
    x = 474,363.34

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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.