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Finding the Fourth Proportional to 429,398.28, 644,233.50 and 334,952.28

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Solution

The fourth proportional to 429,398.28, 644,233.50 and 334,952.28 is: 502,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,398.28 : 644,233.50 = 334,952.28 : x
  2. Step 2: Convert to fraction form
    429,398.28/644,233.50 = 334,952.28/x
  3. Step 3: Cross multiply
    429,398.28x = 644,233.50 × 334,952.28
  4. Step 4: Simplify right side
    429,398.28x = 215,787,479,677.38
  5. Step 5: Solve for x
    x = 215,787,479,677.38/429,398.28
  6. Step 6: Final answer
    x = 502,534.57

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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.