Home / 598,721.60-898,207.20-199,486.40

Finding the Fourth Proportional to 598,721.60, 898,207.20 and 199,486.40

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Solution

The fourth proportional to 598,721.60, 898,207.20 and 199,486.40 is: 299,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,721.60 : 898,207.20 = 199,486.40 : x
  2. Step 2: Convert to fraction form
    598,721.60/898,207.20 = 199,486.40/x
  3. Step 3: Cross multiply
    598,721.60x = 898,207.20 × 199,486.40
  4. Step 4: Simplify right side
    598,721.60x = 179,180,120,782.08
  5. Step 5: Solve for x
    x = 179,180,120,782.08/598,721.60
  6. Step 6: Final answer
    x = 299,271.18

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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.