Home / 992,705.60-1,489,447.20-361,683.20

Finding the Fourth Proportional to 992,705.60, 1,489,447.20 and 361,683.20

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Solution

The fourth proportional to 992,705.60, 1,489,447.20 and 361,683.20 is: 542,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,705.60 : 1,489,447.20 = 361,683.20 : x
  2. Step 2: Convert to fraction form
    992,705.60/1,489,447.20 = 361,683.20/x
  3. Step 3: Cross multiply
    992,705.60x = 1,489,447.20 × 361,683.20
  4. Step 4: Simplify right side
    992,705.60x = 538,708,029,527.04
  5. Step 5: Solve for x
    x = 538,708,029,527.04/992,705.60
  6. Step 6: Final answer
    x = 542,666.46

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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.