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Finding the Fourth Proportional to 676,395.36, 932,449.32 and 548,849.52

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Solution

The fourth proportional to 676,395.36, 932,449.32 and 548,849.52 is: 756,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,395.36 : 932,449.32 = 548,849.52 : x
  2. Step 2: Convert to fraction form
    676,395.36/932,449.32 = 548,849.52/x
  3. Step 3: Cross multiply
    676,395.36x = 932,449.32 × 548,849.52
  4. Step 4: Simplify right side
    676,395.36x = 511,774,361,706.33
  5. Step 5: Solve for x
    x = 511,774,361,706.33/676,395.36
  6. Step 6: Final answer
    x = 756,620.15

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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.