Home / 676,160.38-1,012,630.48-391,250.49

Finding the Fourth Proportional to 676,160.38, 1,012,630.48 and 391,250.49

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Solution

The fourth proportional to 676,160.38, 1,012,630.48 and 391,250.49 is: 585,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,160.38 : 1,012,630.48 = 391,250.49 : x
  2. Step 2: Convert to fraction form
    676,160.38/1,012,630.48 = 391,250.49/x
  3. Step 3: Cross multiply
    676,160.38x = 1,012,630.48 × 391,250.49
  4. Step 4: Simplify right side
    676,160.38x = 396,192,171,978.00
  5. Step 5: Solve for x
    x = 396,192,171,978.00/676,160.38
  6. Step 6: Final answer
    x = 585,944.08

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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.