Home / 862,634.90-1,190,436.21-500,268.95

Finding the Fourth Proportional to 862,634.90, 1,190,436.21 and 500,268.95

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Solution

The fourth proportional to 862,634.90, 1,190,436.21 and 500,268.95 is: 690,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,634.90 : 1,190,436.21 = 500,268.95 : x
  2. Step 2: Convert to fraction form
    862,634.90/1,190,436.21 = 500,268.95/x
  3. Step 3: Cross multiply
    862,634.90x = 1,190,436.21 × 500,268.95
  4. Step 4: Simplify right side
    862,634.90x = 595,538,272,818.68
  5. Step 5: Solve for x
    x = 595,538,272,818.68/862,634.90
  6. Step 6: Final answer
    x = 690,371.18

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1.5x scale

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.