Home / 399,626.28-598,922.70-298,996.95

Finding the Fourth Proportional to 399,626.28, 598,922.70 and 298,996.95

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Solution

The fourth proportional to 399,626.28, 598,922.70 and 298,996.95 is: 448,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,626.28 : 598,922.70 = 298,996.95 : x
  2. Step 2: Convert to fraction form
    399,626.28/598,922.70 = 298,996.95/x
  3. Step 3: Cross multiply
    399,626.28x = 598,922.70 × 298,996.95
  4. Step 4: Simplify right side
    399,626.28x = 179,076,060,585.77
  5. Step 5: Solve for x
    x = 179,076,060,585.77/399,626.28
  6. Step 6: Final answer
    x = 448,108.82

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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.