Home / 833,439.13-1,149,912.67-523,375.15

Finding the Fourth Proportional to 833,439.13, 1,149,912.67 and 523,375.15

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Solution

The fourth proportional to 833,439.13, 1,149,912.67 and 523,375.15 is: 722,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,439.13 : 1,149,912.67 = 523,375.15 : x
  2. Step 2: Convert to fraction form
    833,439.13/1,149,912.67 = 523,375.15/x
  3. Step 3: Cross multiply
    833,439.13x = 1,149,912.67 × 523,375.15
  4. Step 4: Simplify right side
    833,439.13x = 601,835,707,781.71
  5. Step 5: Solve for x
    x = 601,835,707,781.71/833,439.13
  6. Step 6: Final answer
    x = 722,111.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.