Home / 486,976.74-672,026.43-272,117.01

Finding the Fourth Proportional to 486,976.74, 672,026.43 and 272,117.01

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Solution

The fourth proportional to 486,976.74, 672,026.43 and 272,117.01 is: 375,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,976.74 : 672,026.43 = 272,117.01 : x
  2. Step 2: Convert to fraction form
    486,976.74/672,026.43 = 272,117.01/x
  3. Step 3: Cross multiply
    486,976.74x = 672,026.43 × 272,117.01
  4. Step 4: Simplify right side
    486,976.74x = 182,869,822,772.57
  5. Step 5: Solve for x
    x = 182,869,822,772.57/486,976.74
  6. Step 6: Final answer
    x = 375,520.65

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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.