Home / 687,584.90-1,031,523.15-207,773.30

Finding the Fourth Proportional to 687,584.90, 1,031,523.15 and 207,773.30

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Solution

The fourth proportional to 687,584.90, 1,031,523.15 and 207,773.30 is: 311,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,584.90 : 1,031,523.15 = 207,773.30 : x
  2. Step 2: Convert to fraction form
    687,584.90/1,031,523.15 = 207,773.30/x
  3. Step 3: Cross multiply
    687,584.90x = 1,031,523.15 × 207,773.30
  4. Step 4: Simplify right side
    687,584.90x = 214,322,968,901.90
  5. Step 5: Solve for x
    x = 214,322,968,901.90/687,584.90
  6. Step 6: Final answer
    x = 311,704.01

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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.