Home / 478,042.07-659,549.12-271,276.20

Finding the Fourth Proportional to 478,042.07, 659,549.12 and 271,276.20

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Solution

The fourth proportional to 478,042.07, 659,549.12 and 271,276.20 is: 374,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,042.07 : 659,549.12 = 271,276.20 : x
  2. Step 2: Convert to fraction form
    478,042.07/659,549.12 = 271,276.20/x
  3. Step 3: Cross multiply
    478,042.07x = 659,549.12 × 271,276.20
  4. Step 4: Simplify right side
    478,042.07x = 178,919,977,630.56
  5. Step 5: Solve for x
    x = 178,919,977,630.56/478,042.07
  6. Step 6: Final answer
    x = 374,276.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.