Home / 598,999.20-898,498.80-550,010.40

Finding the Fourth Proportional to 598,999.20, 898,498.80 and 550,010.40

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Solution

The fourth proportional to 598,999.20, 898,498.80 and 550,010.40 is: 825,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,999.20 : 898,498.80 = 550,010.40 : x
  2. Step 2: Convert to fraction form
    598,999.20/898,498.80 = 550,010.40/x
  3. Step 3: Cross multiply
    598,999.20x = 898,498.80 × 550,010.40
  4. Step 4: Simplify right side
    598,999.20x = 494,183,684,387.52
  5. Step 5: Solve for x
    x = 494,183,684,387.52/598,999.20
  6. Step 6: Final answer
    x = 825,015.60

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Similar ratio
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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.