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Finding the Fourth Proportional to 633,900.52, 873,220.26 and 542,960.20

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Solution

The fourth proportional to 633,900.52, 873,220.26 and 542,960.20 is: 747,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,900.52 : 873,220.26 = 542,960.20 : x
  2. Step 2: Convert to fraction form
    633,900.52/873,220.26 = 542,960.20/x
  3. Step 3: Cross multiply
    633,900.52x = 873,220.26 × 542,960.20
  4. Step 4: Simplify right side
    633,900.52x = 474,123,847,013.65
  5. Step 5: Solve for x
    x = 474,123,847,013.65/633,900.52
  6. Step 6: Final answer
    x = 747,946.77

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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.