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Finding the Fourth Proportional to 615,987.40, 924,110.70 and 260,818.60

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Solution

The fourth proportional to 615,987.40, 924,110.70 and 260,818.60 is: 391,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,987.40 : 924,110.70 = 260,818.60 : x
  2. Step 2: Convert to fraction form
    615,987.40/924,110.70 = 260,818.60/x
  3. Step 3: Cross multiply
    615,987.40x = 924,110.70 × 260,818.60
  4. Step 4: Simplify right side
    615,987.40x = 241,025,259,019.02
  5. Step 5: Solve for x
    x = 241,025,259,019.02/615,987.40
  6. Step 6: Final answer
    x = 391,282.77

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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.