Home / 847,003.85-1,270,236.03-278,252.93

Finding the Fourth Proportional to 847,003.85, 1,270,236.03 and 278,252.93

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Solution

The fourth proportional to 847,003.85, 1,270,236.03 and 278,252.93 is: 417,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,003.85 : 1,270,236.03 = 278,252.93 : x
  2. Step 2: Convert to fraction form
    847,003.85/1,270,236.03 = 278,252.93/x
  3. Step 3: Cross multiply
    847,003.85x = 1,270,236.03 × 278,252.93
  4. Step 4: Simplify right side
    847,003.85x = 353,446,897,139.07
  5. Step 5: Solve for x
    x = 353,446,897,139.07/847,003.85
  6. Step 6: Final answer
    x = 417,290.78

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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.