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Finding the Fourth Proportional to 615,875.73, 924,311.16 and 261,138.84

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Solution

The fourth proportional to 615,875.73, 924,311.16 and 261,138.84 is: 391,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,875.73 : 924,311.16 = 261,138.84 : x
  2. Step 2: Convert to fraction form
    615,875.73/924,311.16 = 261,138.84/x
  3. Step 3: Cross multiply
    615,875.73x = 924,311.16 × 261,138.84
  4. Step 4: Simplify right side
    615,875.73x = 241,373,544,121.45
  5. Step 5: Solve for x
    x = 241,373,544,121.45/615,875.73
  6. Step 6: Final answer
    x = 391,919.23

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1.5x scale

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.