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Finding the Fourth Proportional to 535,700.65, 739,276.05 and 294,005.71

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Solution

The fourth proportional to 535,700.65, 739,276.05 and 294,005.71 is: 405,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,700.65 : 739,276.05 = 294,005.71 : x
  2. Step 2: Convert to fraction form
    535,700.65/739,276.05 = 294,005.71/x
  3. Step 3: Cross multiply
    535,700.65x = 739,276.05 × 294,005.71
  4. Step 4: Simplify right side
    535,700.65x = 217,351,379,966.25
  5. Step 5: Solve for x
    x = 217,351,379,966.25/535,700.65
  6. Step 6: Final answer
    x = 405,732.90

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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.