Home / 672,125.92-926,910.66-490,550.20

Finding the Fourth Proportional to 672,125.92, 926,910.66 and 490,550.20

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Solution

The fourth proportional to 672,125.92, 926,910.66 and 490,550.20 is: 676,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,125.92 : 926,910.66 = 490,550.20 : x
  2. Step 2: Convert to fraction form
    672,125.92/926,910.66 = 490,550.20/x
  3. Step 3: Cross multiply
    672,125.92x = 926,910.66 × 490,550.20
  4. Step 4: Simplify right side
    672,125.92x = 454,696,209,645.13
  5. Step 5: Solve for x
    x = 454,696,209,645.13/672,125.92
  6. Step 6: Final answer
    x = 676,504.50

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Double scale
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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.