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Finding the Fourth Proportional to 662,016.30, 992,246.85 and 306,278.88

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Solution

The fourth proportional to 662,016.30, 992,246.85 and 306,278.88 is: 459,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,016.30 : 992,246.85 = 306,278.88 : x
  2. Step 2: Convert to fraction form
    662,016.30/992,246.85 = 306,278.88/x
  3. Step 3: Cross multiply
    662,016.30x = 992,246.85 × 306,278.88
  4. Step 4: Simplify right side
    662,016.30x = 303,904,253,901.53
  5. Step 5: Solve for x
    x = 303,904,253,901.53/662,016.30
  6. Step 6: Final answer
    x = 459,058.57

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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.