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Finding the Fourth Proportional to 653,752.60, 902,251.63 and 395,771.68

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Solution

The fourth proportional to 653,752.60, 902,251.63 and 395,771.68 is: 546,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,752.60 : 902,251.63 = 395,771.68 : x
  2. Step 2: Convert to fraction form
    653,752.60/902,251.63 = 395,771.68/x
  3. Step 3: Cross multiply
    653,752.60x = 902,251.63 × 395,771.68
  4. Step 4: Simplify right side
    653,752.60x = 357,085,643,387.84
  5. Step 5: Solve for x
    x = 357,085,643,387.84/653,752.60
  6. Step 6: Final answer
    x = 546,209.14

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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.