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Finding the Fourth Proportional to 549,680.60, 824,520.90 and 455,202.20

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Solution

The fourth proportional to 549,680.60, 824,520.90 and 455,202.20 is: 682,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,680.60 : 824,520.90 = 455,202.20 : x
  2. Step 2: Convert to fraction form
    549,680.60/824,520.90 = 455,202.20/x
  3. Step 3: Cross multiply
    549,680.60x = 824,520.90 × 455,202.20
  4. Step 4: Simplify right side
    549,680.60x = 375,323,727,625.98
  5. Step 5: Solve for x
    x = 375,323,727,625.98/549,680.60
  6. Step 6: Final answer
    x = 682,803.30

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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.