Home / 676,775.16-1,015,169.76-272,154.60

Finding the Fourth Proportional to 676,775.16, 1,015,169.76 and 272,154.60

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Solution

The fourth proportional to 676,775.16, 1,015,169.76 and 272,154.60 is: 408,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,775.16 : 1,015,169.76 = 272,154.60 : x
  2. Step 2: Convert to fraction form
    676,775.16/1,015,169.76 = 272,154.60/x
  3. Step 3: Cross multiply
    676,775.16x = 1,015,169.76 × 272,154.60
  4. Step 4: Simplify right side
    676,775.16x = 276,283,119,964.90
  5. Step 5: Solve for x
    x = 276,283,119,964.90/676,775.16
  6. Step 6: Final answer
    x = 408,234.72

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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.