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Finding the Fourth Proportional to 675,264.52, 932,049.30 and 420,465.16

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Solution

The fourth proportional to 675,264.52, 932,049.30 and 420,465.16 is: 580,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,264.52 : 932,049.30 = 420,465.16 : x
  2. Step 2: Convert to fraction form
    675,264.52/932,049.30 = 420,465.16/x
  3. Step 3: Cross multiply
    675,264.52x = 932,049.30 × 420,465.16
  4. Step 4: Simplify right side
    675,264.52x = 391,894,258,052.39
  5. Step 5: Solve for x
    x = 391,894,258,052.39/675,264.52
  6. Step 6: Final answer
    x = 580,356.65

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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.