Home / 720,848.32-1,081,717.17-366,116.92

Finding the Fourth Proportional to 720,848.32, 1,081,717.17 and 366,116.92

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Solution

The fourth proportional to 720,848.32, 1,081,717.17 and 366,116.92 is: 549,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,848.32 : 1,081,717.17 = 366,116.92 : x
  2. Step 2: Convert to fraction form
    720,848.32/1,081,717.17 = 366,116.92/x
  3. Step 3: Cross multiply
    720,848.32x = 1,081,717.17 × 366,116.92
  4. Step 4: Simplify right side
    720,848.32x = 396,034,958,591.52
  5. Step 5: Solve for x
    x = 396,034,958,591.52/720,848.32
  6. Step 6: Final answer
    x = 549,401.24

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Double scale
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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.