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Finding the Fourth Proportional to 615,306.36, 921,723.25 and 306,627.24

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Solution

The fourth proportional to 615,306.36, 921,723.25 and 306,627.24 is: 459,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,306.36 : 921,723.25 = 306,627.24 : x
  2. Step 2: Convert to fraction form
    615,306.36/921,723.25 = 306,627.24/x
  3. Step 3: Cross multiply
    615,306.36x = 921,723.25 × 306,627.24
  4. Step 4: Simplify right side
    615,306.36x = 282,625,456,191.33
  5. Step 5: Solve for x
    x = 282,625,456,191.33/615,306.36
  6. Step 6: Final answer
    x = 459,324.78

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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.