Home / 951,521.12-1,313,117.19-521,775.62

Finding the Fourth Proportional to 951,521.12, 1,313,117.19 and 521,775.62

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Solution

The fourth proportional to 951,521.12, 1,313,117.19 and 521,775.62 is: 720,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,521.12 : 1,313,117.19 = 521,775.62 : x
  2. Step 2: Convert to fraction form
    951,521.12/1,313,117.19 = 521,775.62/x
  3. Step 3: Cross multiply
    951,521.12x = 1,313,117.19 × 521,775.62
  4. Step 4: Simplify right side
    951,521.12x = 685,152,535,944.91
  5. Step 5: Solve for x
    x = 685,152,535,944.91/951,521.12
  6. Step 6: Final answer
    x = 720,060.25

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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.