Home / 598,079.31-825,326.39-339,990.18

Finding the Fourth Proportional to 598,079.31, 825,326.39 and 339,990.18

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Solution

The fourth proportional to 598,079.31, 825,326.39 and 339,990.18 is: 469,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,079.31 : 825,326.39 = 339,990.18 : x
  2. Step 2: Convert to fraction form
    598,079.31/825,326.39 = 339,990.18/x
  3. Step 3: Cross multiply
    598,079.31x = 825,326.39 × 339,990.18
  4. Step 4: Simplify right side
    598,079.31x = 280,602,866,194.90
  5. Step 5: Solve for x
    x = 280,602,866,194.90/598,079.31
  6. Step 6: Final answer
    x = 469,173.34

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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.