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Finding the Fourth Proportional to 527,827.73, 729,007.61 and 347,345.39

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Solution

The fourth proportional to 527,827.73, 729,007.61 and 347,345.39 is: 479,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,827.73 : 729,007.61 = 347,345.39 : x
  2. Step 2: Convert to fraction form
    527,827.73/729,007.61 = 347,345.39/x
  3. Step 3: Cross multiply
    527,827.73x = 729,007.61 × 347,345.39
  4. Step 4: Simplify right side
    527,827.73x = 253,217,427,226.65
  5. Step 5: Solve for x
    x = 253,217,427,226.65/527,827.73
  6. Step 6: Final answer
    x = 479,734.99

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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.