Home / 693,345.60-1,040,115.60-272,523.60

Finding the Fourth Proportional to 693,345.60, 1,040,115.60 and 272,523.60

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Solution

The fourth proportional to 693,345.60, 1,040,115.60 and 272,523.60 is: 408,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,345.60 : 1,040,115.60 = 272,523.60 : x
  2. Step 2: Convert to fraction form
    693,345.60/1,040,115.60 = 272,523.60/x
  3. Step 3: Cross multiply
    693,345.60x = 1,040,115.60 × 272,523.60
  4. Step 4: Simplify right side
    693,345.60x = 283,456,047,728.16
  5. Step 5: Solve for x
    x = 283,456,047,728.16/693,345.60
  6. Step 6: Final answer
    x = 408,823.61

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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.