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Finding the Fourth Proportional to 650,181.60, 975,272.40 and 538,207.20

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Solution

The fourth proportional to 650,181.60, 975,272.40 and 538,207.20 is: 807,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,181.60 : 975,272.40 = 538,207.20 : x
  2. Step 2: Convert to fraction form
    650,181.60/975,272.40 = 538,207.20/x
  3. Step 3: Cross multiply
    650,181.60x = 975,272.40 × 538,207.20
  4. Step 4: Simplify right side
    650,181.60x = 524,898,627,641.28
  5. Step 5: Solve for x
    x = 524,898,627,641.28/650,181.60
  6. Step 6: Final answer
    x = 807,310.80

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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.