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Finding the Fourth Proportional to 615,926.92, 850,238.28 and 374,287.12

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Solution

The fourth proportional to 615,926.92, 850,238.28 and 374,287.12 is: 516,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,926.92 : 850,238.28 = 374,287.12 : x
  2. Step 2: Convert to fraction form
    615,926.92/850,238.28 = 374,287.12/x
  3. Step 3: Cross multiply
    615,926.92x = 850,238.28 × 374,287.12
  4. Step 4: Simplify right side
    615,926.92x = 318,233,237,134.95
  5. Step 5: Solve for x
    x = 318,233,237,134.95/615,926.92
  6. Step 6: Final answer
    x = 516,673.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.