Home / 511,342.29-767,239.38-268,125.28

Finding the Fourth Proportional to 511,342.29, 767,239.38 and 268,125.28

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Solution

The fourth proportional to 511,342.29, 767,239.38 and 268,125.28 is: 402,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,342.29 : 767,239.38 = 268,125.28 : x
  2. Step 2: Convert to fraction form
    511,342.29/767,239.38 = 268,125.28/x
  3. Step 3: Cross multiply
    511,342.29x = 767,239.38 × 268,125.28
  4. Step 4: Simplify right side
    511,342.29x = 205,716,275,987.15
  5. Step 5: Solve for x
    x = 205,716,275,987.15/511,342.29
  6. Step 6: Final answer
    x = 402,306.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.