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Finding the Fourth Proportional to 521,201.52, 719,259.48 and 282,737.52

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Solution

The fourth proportional to 521,201.52, 719,259.48 and 282,737.52 is: 390,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,201.52 : 719,259.48 = 282,737.52 : x
  2. Step 2: Convert to fraction form
    521,201.52/719,259.48 = 282,737.52/x
  3. Step 3: Cross multiply
    521,201.52x = 719,259.48 × 282,737.52
  4. Step 4: Simplify right side
    521,201.52x = 203,361,641,611.69
  5. Step 5: Solve for x
    x = 203,361,641,611.69/521,201.52
  6. Step 6: Final answer
    x = 390,178.53

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1.5x scale

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.