Home / 676,231.23-1,012,736.85-391,321.17

Finding the Fourth Proportional to 676,231.23, 1,012,736.85 and 391,321.17

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Solution

The fourth proportional to 676,231.23, 1,012,736.85 and 391,321.17 is: 586,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,231.23 : 1,012,736.85 = 391,321.17 : x
  2. Step 2: Convert to fraction form
    676,231.23/1,012,736.85 = 391,321.17/x
  3. Step 3: Cross multiply
    676,231.23x = 1,012,736.85 × 391,321.17
  4. Step 4: Simplify right side
    676,231.23x = 396,305,369,044.12
  5. Step 5: Solve for x
    x = 396,305,369,044.12/676,231.23
  6. Step 6: Final answer
    x = 586,050.08

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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.