Home / 721,564.92-1,082,354.64-322,225.92

Finding the Fourth Proportional to 721,564.92, 1,082,354.64 and 322,225.92

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Solution

The fourth proportional to 721,564.92, 1,082,354.64 and 322,225.92 is: 483,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,564.92 : 1,082,354.64 = 322,225.92 : x
  2. Step 2: Convert to fraction form
    721,564.92/1,082,354.64 = 322,225.92/x
  3. Step 3: Cross multiply
    721,564.92x = 1,082,354.64 × 322,225.92
  4. Step 4: Simplify right side
    721,564.92x = 348,762,719,640.27
  5. Step 5: Solve for x
    x = 348,762,719,640.27/721,564.92
  6. Step 6: Final answer
    x = 483,342.12

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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.