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Finding the Fourth Proportional to 532,258.40, 798,387.60 and 488,712.80

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Solution

The fourth proportional to 532,258.40, 798,387.60 and 488,712.80 is: 733,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,258.40 : 798,387.60 = 488,712.80 : x
  2. Step 2: Convert to fraction form
    532,258.40/798,387.60 = 488,712.80/x
  3. Step 3: Cross multiply
    532,258.40x = 798,387.60 × 488,712.80
  4. Step 4: Simplify right side
    532,258.40x = 390,182,239,481.28
  5. Step 5: Solve for x
    x = 390,182,239,481.28/532,258.40
  6. Step 6: Final answer
    x = 733,069.20

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