Home / 574,251.12-861,909.53-290,141.26

Finding the Fourth Proportional to 574,251.12, 861,909.53 and 290,141.26

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Solution

The fourth proportional to 574,251.12, 861,909.53 and 290,141.26 is: 435,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,251.12 : 861,909.53 = 290,141.26 : x
  2. Step 2: Convert to fraction form
    574,251.12/861,909.53 = 290,141.26/x
  3. Step 3: Cross multiply
    574,251.12x = 861,909.53 × 290,141.26
  4. Step 4: Simplify right side
    574,251.12x = 250,075,513,434.73
  5. Step 5: Solve for x
    x = 250,075,513,434.73/574,251.12
  6. Step 6: Final answer
    x = 435,481.11

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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.