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Finding the Fourth Proportional to 497,175.44, 686,104.68 and 270,820.88

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Solution

The fourth proportional to 497,175.44, 686,104.68 and 270,820.88 is: 373,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,175.44 : 686,104.68 = 270,820.88 : x
  2. Step 2: Convert to fraction form
    497,175.44/686,104.68 = 270,820.88/x
  3. Step 3: Cross multiply
    497,175.44x = 686,104.68 × 270,820.88
  4. Step 4: Simplify right side
    497,175.44x = 185,811,473,209.72
  5. Step 5: Solve for x
    x = 185,811,473,209.72/497,175.44
  6. Step 6: Final answer
    x = 373,734.22

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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.