Home / 549,277.20-824,401.80-324,356.40

Finding the Fourth Proportional to 549,277.20, 824,401.80 and 324,356.40

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Solution

The fourth proportional to 549,277.20, 824,401.80 and 324,356.40 is: 486,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,277.20 : 824,401.80 = 324,356.40 : x
  2. Step 2: Convert to fraction form
    549,277.20/824,401.80 = 324,356.40/x
  3. Step 3: Cross multiply
    549,277.20x = 824,401.80 × 324,356.40
  4. Step 4: Simplify right side
    549,277.20x = 267,400,000,001.52
  5. Step 5: Solve for x
    x = 267,400,000,001.52/549,277.20
  6. Step 6: Final answer
    x = 486,821.59

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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.