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Finding the Fourth Proportional to 664,010.40, 994,460.40 and 452,503.20

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Solution

The fourth proportional to 664,010.40, 994,460.40 and 452,503.20 is: 677,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,010.40 : 994,460.40 = 452,503.20 : x
  2. Step 2: Convert to fraction form
    664,010.40/994,460.40 = 452,503.20/x
  3. Step 3: Cross multiply
    664,010.40x = 994,460.40 × 452,503.20
  4. Step 4: Simplify right side
    664,010.40x = 449,996,513,273.28
  5. Step 5: Solve for x
    x = 449,996,513,273.28/664,010.40
  6. Step 6: Final answer
    x = 677,694.98

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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.