Home / 835,469.95-1,252,082.38-455,821.79

Finding the Fourth Proportional to 835,469.95, 1,252,082.38 and 455,821.79

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Solution

The fourth proportional to 835,469.95, 1,252,082.38 and 455,821.79 is: 683,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,469.95 : 1,252,082.38 = 455,821.79 : x
  2. Step 2: Convert to fraction form
    835,469.95/1,252,082.38 = 455,821.79/x
  3. Step 3: Cross multiply
    835,469.95x = 1,252,082.38 × 455,821.79
  4. Step 4: Simplify right side
    835,469.95x = 570,726,424,279.09
  5. Step 5: Solve for x
    x = 570,726,424,279.09/835,469.95
  6. Step 6: Final answer
    x = 683,120.23

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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.