Home / 825,726.53-1,238,292.42-285,836.11

Finding the Fourth Proportional to 825,726.53, 1,238,292.42 and 285,836.11

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Solution

The fourth proportional to 825,726.53, 1,238,292.42 and 285,836.11 is: 428,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,726.53 : 1,238,292.42 = 285,836.11 : x
  2. Step 2: Convert to fraction form
    825,726.53/1,238,292.42 = 285,836.11/x
  3. Step 3: Cross multiply
    825,726.53x = 1,238,292.42 × 285,836.11
  4. Step 4: Simplify right side
    825,726.53x = 353,948,688,851.27
  5. Step 5: Solve for x
    x = 353,948,688,851.27/825,726.53
  6. Step 6: Final answer
    x = 428,651.23

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1.5x scale

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.