Home / 527,152.59-727,282.40-323,129.79

Finding the Fourth Proportional to 527,152.59, 727,282.40 and 323,129.79

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Solution

The fourth proportional to 527,152.59, 727,282.40 and 323,129.79 is: 445,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,152.59 : 727,282.40 = 323,129.79 : x
  2. Step 2: Convert to fraction form
    527,152.59/727,282.40 = 323,129.79/x
  3. Step 3: Cross multiply
    527,152.59x = 727,282.40 × 323,129.79
  4. Step 4: Simplify right side
    527,152.59x = 235,006,607,567.05
  5. Step 5: Solve for x
    x = 235,006,607,567.05/527,152.59
  6. Step 6: Final answer
    x = 445,803.76

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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.