Home / 847,100.13-1,270,277.19-397,948.65

Finding the Fourth Proportional to 847,100.13, 1,270,277.19 and 397,948.65

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Solution

The fourth proportional to 847,100.13, 1,270,277.19 and 397,948.65 is: 596,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,100.13 : 1,270,277.19 = 397,948.65 : x
  2. Step 2: Convert to fraction form
    847,100.13/1,270,277.19 = 397,948.65/x
  3. Step 3: Cross multiply
    847,100.13x = 1,270,277.19 × 397,948.65
  4. Step 4: Simplify right side
    847,100.13x = 505,505,092,886.29
  5. Step 5: Solve for x
    x = 505,505,092,886.29/847,100.13
  6. Step 6: Final answer
    x = 596,747.75

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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.