Home / 862,470.92-1,293,956.04-356,938.64

Finding the Fourth Proportional to 862,470.92, 1,293,956.04 and 356,938.64

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Solution

The fourth proportional to 862,470.92, 1,293,956.04 and 356,938.64 is: 535,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,470.92 : 1,293,956.04 = 356,938.64 : x
  2. Step 2: Convert to fraction form
    862,470.92/1,293,956.04 = 356,938.64/x
  3. Step 3: Cross multiply
    862,470.92x = 1,293,956.04 × 356,938.64
  4. Step 4: Simplify right side
    862,470.92x = 461,862,909,137.39
  5. Step 5: Solve for x
    x = 461,862,909,137.39/862,470.92
  6. Step 6: Final answer
    x = 535,511.28

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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.