Home / 486,987.52-671,999.06-272,097.76

Finding the Fourth Proportional to 486,987.52, 671,999.06 and 272,097.76

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Solution

The fourth proportional to 486,987.52, 671,999.06 and 272,097.76 is: 375,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,987.52 : 671,999.06 = 272,097.76 : x
  2. Step 2: Convert to fraction form
    486,987.52/671,999.06 = 272,097.76/x
  3. Step 3: Cross multiply
    486,987.52x = 671,999.06 × 272,097.76
  4. Step 4: Simplify right side
    486,987.52x = 182,849,438,948.11
  5. Step 5: Solve for x
    x = 182,849,438,948.11/486,987.52
  6. Step 6: Final answer
    x = 375,470.48

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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.