Home / 720,847.32-1,081,715.67-366,115.92

Finding the Fourth Proportional to 720,847.32, 1,081,715.67 and 366,115.92

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Solution

The fourth proportional to 720,847.32, 1,081,715.67 and 366,115.92 is: 549,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,847.32 : 1,081,715.67 = 366,115.92 : x
  2. Step 2: Convert to fraction form
    720,847.32/1,081,715.67 = 366,115.92/x
  3. Step 3: Cross multiply
    720,847.32x = 1,081,715.67 × 366,115.92
  4. Step 4: Simplify right side
    720,847.32x = 396,033,327,700.47
  5. Step 5: Solve for x
    x = 396,033,327,700.47/720,847.32
  6. Step 6: Final answer
    x = 549,399.74

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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.