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Finding the Fourth Proportional to 629,092.80, 942,602.40 and 523,339.20

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Solution

The fourth proportional to 629,092.80, 942,602.40 and 523,339.20 is: 784,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,092.80 : 942,602.40 = 523,339.20 : x
  2. Step 2: Convert to fraction form
    629,092.80/942,602.40 = 523,339.20/x
  3. Step 3: Cross multiply
    629,092.80x = 942,602.40 × 523,339.20
  4. Step 4: Simplify right side
    629,092.80x = 493,300,785,934.08
  5. Step 5: Solve for x
    x = 493,300,785,934.08/629,092.80
  6. Step 6: Final answer
    x = 784,146.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.