Home / 878,532.14-1,316,294.28-479,453.24

Finding the Fourth Proportional to 878,532.14, 1,316,294.28 and 479,453.24

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Solution

The fourth proportional to 878,532.14, 1,316,294.28 and 479,453.24 is: 718,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,532.14 : 1,316,294.28 = 479,453.24 : x
  2. Step 2: Convert to fraction form
    878,532.14/1,316,294.28 = 479,453.24/x
  3. Step 3: Cross multiply
    878,532.14x = 1,316,294.28 × 479,453.24
  4. Step 4: Simplify right side
    878,532.14x = 631,101,560,630.20
  5. Step 5: Solve for x
    x = 631,101,560,630.20/878,532.14
  6. Step 6: Final answer
    x = 718,359.10

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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.