Home / 860,758.20-1,187,830.20-588,816.90

Finding the Fourth Proportional to 860,758.20, 1,187,830.20 and 588,816.90

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Solution

The fourth proportional to 860,758.20, 1,187,830.20 and 588,816.90 is: 812,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,758.20 : 1,187,830.20 = 588,816.90 : x
  2. Step 2: Convert to fraction form
    860,758.20/1,187,830.20 = 588,816.90/x
  3. Step 3: Cross multiply
    860,758.20x = 1,187,830.20 × 588,816.90
  4. Step 4: Simplify right side
    860,758.20x = 699,414,496,090.38
  5. Step 5: Solve for x
    x = 699,414,496,090.38/860,758.20
  6. Step 6: Final answer
    x = 812,556.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.