Home / 628,218.39-942,726.13-268,391.95

Finding the Fourth Proportional to 628,218.39, 942,726.13 and 268,391.95

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Solution

The fourth proportional to 628,218.39, 942,726.13 and 268,391.95 is: 402,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,218.39 : 942,726.13 = 268,391.95 : x
  2. Step 2: Convert to fraction form
    628,218.39/942,726.13 = 268,391.95/x
  3. Step 3: Cross multiply
    628,218.39x = 942,726.13 × 268,391.95
  4. Step 4: Simplify right side
    628,218.39x = 253,020,099,633.02
  5. Step 5: Solve for x
    x = 253,020,099,633.02/628,218.39
  6. Step 6: Final answer
    x = 402,758.19

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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.