Home / 486,973.52-672,010.56-272,115.35

Finding the Fourth Proportional to 486,973.52, 672,010.56 and 272,115.35

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Solution

The fourth proportional to 486,973.52, 672,010.56 and 272,115.35 is: 375,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,973.52 : 672,010.56 = 272,115.35 : x
  2. Step 2: Convert to fraction form
    486,973.52/672,010.56 = 272,115.35/x
  3. Step 3: Cross multiply
    486,973.52x = 672,010.56 × 272,115.35
  4. Step 4: Simplify right side
    486,973.52x = 182,864,384,017.47
  5. Step 5: Solve for x
    x = 182,864,384,017.47/486,973.52
  6. Step 6: Final answer
    x = 375,511.97

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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.