Home / 486,985.35-672,026.87-272,127.18

Finding the Fourth Proportional to 486,985.35, 672,026.87 and 272,127.18

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Solution

The fourth proportional to 486,985.35, 672,026.87 and 272,127.18 is: 375,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,985.35 : 672,026.87 = 272,127.18 : x
  2. Step 2: Convert to fraction form
    486,985.35/672,026.87 = 272,127.18/x
  3. Step 3: Cross multiply
    486,985.35x = 672,026.87 × 272,127.18
  4. Step 4: Simplify right side
    486,985.35x = 182,876,777,017.33
  5. Step 5: Solve for x
    x = 182,876,777,017.33/486,985.35
  6. Step 6: Final answer
    x = 375,528.29

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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.