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Finding the Fourth Proportional to 521,854.52, 720,159.24 and 295,500

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Solution

The fourth proportional to 521,854.52, 720,159.24 and 295,500 is: 407,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,854.52 : 720,159.24 = 295,500 : x
  2. Step 2: Convert to fraction form
    521,854.52/720,159.24 = 295,500/x
  3. Step 3: Cross multiply
    521,854.52x = 720,159.24 × 295,500
  4. Step 4: Simplify right side
    521,854.52x = 212,807,055,420
  5. Step 5: Solve for x
    x = 212,807,055,420/521,854.52
  6. Step 6: Final answer
    x = 407,790.00

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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.