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Finding the Fourth Proportional to 602,649.20, 902,951.88 and 400,103.60

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Solution

The fourth proportional to 602,649.20, 902,951.88 and 400,103.60 is: 599,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,649.20 : 902,951.88 = 400,103.60 : x
  2. Step 2: Convert to fraction form
    602,649.20/902,951.88 = 400,103.60/x
  3. Step 3: Cross multiply
    602,649.20x = 902,951.88 × 400,103.60
  4. Step 4: Simplify right side
    602,649.20x = 361,274,297,814.77
  5. Step 5: Solve for x
    x = 361,274,297,814.77/602,649.20
  6. Step 6: Final answer
    x = 599,476.94

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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.