Home / 847,127.52-1,270,318.16-397,976

Finding the Fourth Proportional to 847,127.52, 1,270,318.16 and 397,976

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Solution

The fourth proportional to 847,127.52, 1,270,318.16 and 397,976 is: 596,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,127.52 : 1,270,318.16 = 397,976 : x
  2. Step 2: Convert to fraction form
    847,127.52/1,270,318.16 = 397,976/x
  3. Step 3: Cross multiply
    847,127.52x = 1,270,318.16 × 397,976
  4. Step 4: Simplify right side
    847,127.52x = 505,556,140,044.16
  5. Step 5: Solve for x
    x = 505,556,140,044.16/847,127.52
  6. Step 6: Final answer
    x = 596,788.71

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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.