Home / 870,851.12-1,306,781.37-365,367.38

Finding the Fourth Proportional to 870,851.12, 1,306,781.37 and 365,367.38

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Solution

The fourth proportional to 870,851.12, 1,306,781.37 and 365,367.38 is: 548,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,851.12 : 1,306,781.37 = 365,367.38 : x
  2. Step 2: Convert to fraction form
    870,851.12/1,306,781.37 = 365,367.38/x
  3. Step 3: Cross multiply
    870,851.12x = 1,306,781.37 × 365,367.38
  4. Step 4: Simplify right side
    870,851.12x = 477,455,278,855.80
  5. Step 5: Solve for x
    x = 477,455,278,855.80/870,851.12
  6. Step 6: Final answer
    x = 548,262.81

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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.