Home / 732,920.40-1,098,991.80-259,621.20

Finding the Fourth Proportional to 732,920.40, 1,098,991.80 and 259,621.20

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Solution

The fourth proportional to 732,920.40, 1,098,991.80 and 259,621.20 is: 389,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,920.40 : 1,098,991.80 = 259,621.20 : x
  2. Step 2: Convert to fraction form
    732,920.40/1,098,991.80 = 259,621.20/x
  3. Step 3: Cross multiply
    732,920.40x = 1,098,991.80 × 259,621.20
  4. Step 4: Simplify right side
    732,920.40x = 285,321,569,906.16
  5. Step 5: Solve for x
    x = 285,321,569,906.16/732,920.40
  6. Step 6: Final answer
    x = 389,294.08

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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.