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Finding the Fourth Proportional to 652,700.28, 979,331.04 and 353,394.72

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Solution

The fourth proportional to 652,700.28, 979,331.04 and 353,394.72 is: 530,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,700.28 : 979,331.04 = 353,394.72 : x
  2. Step 2: Convert to fraction form
    652,700.28/979,331.04 = 353,394.72/x
  3. Step 3: Cross multiply
    652,700.28x = 979,331.04 × 353,394.72
  4. Step 4: Simplify right side
    652,700.28x = 346,090,418,668.11
  5. Step 5: Solve for x
    x = 346,090,418,668.11/652,700.28
  6. Step 6: Final answer
    x = 530,244.02

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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.