Home / 676,778.04-1,015,295.31-272,001.74

Finding the Fourth Proportional to 676,778.04, 1,015,295.31 and 272,001.74

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Solution

The fourth proportional to 676,778.04, 1,015,295.31 and 272,001.74 is: 408,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,778.04 : 1,015,295.31 = 272,001.74 : x
  2. Step 2: Convert to fraction form
    676,778.04/1,015,295.31 = 272,001.74/x
  3. Step 3: Cross multiply
    676,778.04x = 1,015,295.31 × 272,001.74
  4. Step 4: Simplify right side
    676,778.04x = 276,162,085,857.36
  5. Step 5: Solve for x
    x = 276,162,085,857.36/676,778.04
  6. Step 6: Final answer
    x = 408,054.15

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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.