Home / 549,200.20-824,286.30-324,279.40

Finding the Fourth Proportional to 549,200.20, 824,286.30 and 324,279.40

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Solution

The fourth proportional to 549,200.20, 824,286.30 and 324,279.40 is: 486,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,200.20 : 824,286.30 = 324,279.40 : x
  2. Step 2: Convert to fraction form
    549,200.20/824,286.30 = 324,279.40/x
  3. Step 3: Cross multiply
    549,200.20x = 824,286.30 × 324,279.40
  4. Step 4: Simplify right side
    549,200.20x = 267,299,066,792.22
  5. Step 5: Solve for x
    x = 267,299,066,792.22/549,200.20
  6. Step 6: Final answer
    x = 486,706.06

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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.