Home / 549,149-824,305.78-486,376.62

Finding the Fourth Proportional to 549,149, 824,305.78 and 486,376.62

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Solution

The fourth proportional to 549,149, 824,305.78 and 486,376.62 is: 730,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,149 : 824,305.78 = 486,376.62 : x
  2. Step 2: Convert to fraction form
    549,149/824,305.78 = 486,376.62/x
  3. Step 3: Cross multiply
    549,149x = 824,305.78 × 486,376.62
  4. Step 4: Simplify right side
    549,149x = 400,923,059,122.86
  5. Step 5: Solve for x
    x = 400,923,059,122.86/549,149
  6. Step 6: Final answer
    x = 730,080.65

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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.