Home / 676,872.30-1,015,308.45-558,677.10

Finding the Fourth Proportional to 676,872.30, 1,015,308.45 and 558,677.10

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Solution

The fourth proportional to 676,872.30, 1,015,308.45 and 558,677.10 is: 838,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,872.30 : 1,015,308.45 = 558,677.10 : x
  2. Step 2: Convert to fraction form
    676,872.30/1,015,308.45 = 558,677.10/x
  3. Step 3: Cross multiply
    676,872.30x = 1,015,308.45 × 558,677.10
  4. Step 4: Simplify right side
    676,872.30x = 567,229,580,451.50
  5. Step 5: Solve for x
    x = 567,229,580,451.50/676,872.30
  6. Step 6: Final answer
    x = 838,015.65

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Double scale
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Similar ratio
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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.