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Finding the Fourth Proportional to 644,095.92, 966,348 and 502,426.92

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Solution

The fourth proportional to 644,095.92, 966,348 and 502,426.92 is: 753,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,095.92 : 966,348 = 502,426.92 : x
  2. Step 2: Convert to fraction form
    644,095.92/966,348 = 502,426.92/x
  3. Step 3: Cross multiply
    644,095.92x = 966,348 × 502,426.92
  4. Step 4: Simplify right side
    644,095.92x = 485,519,249,288.16
  5. Step 5: Solve for x
    x = 485,519,249,288.16/644,095.92
  6. Step 6: Final answer
    x = 753,799.60

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1.5x scale

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.