Home / 847,100.26-1,270,277.38-397,948.78

Finding the Fourth Proportional to 847,100.26, 1,270,277.38 and 397,948.78

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Solution

The fourth proportional to 847,100.26, 1,270,277.38 and 397,948.78 is: 596,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,100.26 : 1,270,277.38 = 397,948.78 : x
  2. Step 2: Convert to fraction form
    847,100.26/1,270,277.38 = 397,948.78/x
  3. Step 3: Cross multiply
    847,100.26x = 1,270,277.38 × 397,948.78
  4. Step 4: Simplify right side
    847,100.26x = 505,505,325,291.47
  5. Step 5: Solve for x
    x = 505,505,325,291.47/847,100.26
  6. Step 6: Final answer
    x = 596,747.93

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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.