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Finding the Fourth Proportional to 531,726.88, 733,759.68 and 290,004.52

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Solution

The fourth proportional to 531,726.88, 733,759.68 and 290,004.52 is: 400,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,726.88 : 733,759.68 = 290,004.52 : x
  2. Step 2: Convert to fraction form
    531,726.88/733,759.68 = 290,004.52/x
  3. Step 3: Cross multiply
    531,726.88x = 733,759.68 × 290,004.52
  4. Step 4: Simplify right side
    531,726.88x = 212,793,623,793.75
  5. Step 5: Solve for x
    x = 212,793,623,793.75/531,726.88
  6. Step 6: Final answer
    x = 400,193.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.