Home / 676,872.44-933,965.46-386,351.32

Finding the Fourth Proportional to 676,872.44, 933,965.46 and 386,351.32

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Solution

The fourth proportional to 676,872.44, 933,965.46 and 386,351.32 is: 533,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,872.44 : 933,965.46 = 386,351.32 : x
  2. Step 2: Convert to fraction form
    676,872.44/933,965.46 = 386,351.32/x
  3. Step 3: Cross multiply
    676,872.44x = 933,965.46 × 386,351.32
  4. Step 4: Simplify right side
    676,872.44x = 360,838,788,305.41
  5. Step 5: Solve for x
    x = 360,838,788,305.41/676,872.44
  6. Step 6: Final answer
    x = 533,097.18

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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.