Home / 961,333.08-1,443,246.24-643,518.24

Finding the Fourth Proportional to 961,333.08, 1,443,246.24 and 643,518.24

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Solution

The fourth proportional to 961,333.08, 1,443,246.24 and 643,518.24 is: 966,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,333.08 : 1,443,246.24 = 643,518.24 : x
  2. Step 2: Convert to fraction form
    961,333.08/1,443,246.24 = 643,518.24/x
  3. Step 3: Cross multiply
    961,333.08x = 1,443,246.24 × 643,518.24
  4. Step 4: Simplify right side
    961,333.08x = 928,755,280,251.42
  5. Step 5: Solve for x
    x = 928,755,280,251.42/961,333.08
  6. Step 6: Final answer
    x = 966,111.85

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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.