Home / 992,433.60-1,489,233.60-361,411.20

Finding the Fourth Proportional to 992,433.60, 1,489,233.60 and 361,411.20

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Solution

The fourth proportional to 992,433.60, 1,489,233.60 and 361,411.20 is: 542,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,433.60 : 1,489,233.60 = 361,411.20 : x
  2. Step 2: Convert to fraction form
    992,433.60/1,489,233.60 = 361,411.20/x
  3. Step 3: Cross multiply
    992,433.60x = 1,489,233.60 × 361,411.20
  4. Step 4: Simplify right side
    992,433.60x = 538,225,702,456.32
  5. Step 5: Solve for x
    x = 538,225,702,456.32/992,433.60
  6. Step 6: Final answer
    x = 542,329.18

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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.