Home / 549,153-824,311.78-486,380.62

Finding the Fourth Proportional to 549,153, 824,311.78 and 486,380.62

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Solution

The fourth proportional to 549,153, 824,311.78 and 486,380.62 is: 730,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,153 : 824,311.78 = 486,380.62 : x
  2. Step 2: Convert to fraction form
    549,153/824,311.78 = 486,380.62/x
  3. Step 3: Cross multiply
    549,153x = 824,311.78 × 486,380.62
  4. Step 4: Simplify right side
    549,153x = 400,929,274,629.70
  5. Step 5: Solve for x
    x = 400,929,274,629.70/549,153
  6. Step 6: Final answer
    x = 730,086.65

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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.