Home / 906,489.20-1,360,781.40-486,585.20

Finding the Fourth Proportional to 906,489.20, 1,360,781.40 and 486,585.20

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Solution

The fourth proportional to 906,489.20, 1,360,781.40 and 486,585.20 is: 730,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,489.20 : 1,360,781.40 = 486,585.20 : x
  2. Step 2: Convert to fraction form
    906,489.20/1,360,781.40 = 486,585.20/x
  3. Step 3: Cross multiply
    906,489.20x = 1,360,781.40 × 486,585.20
  4. Step 4: Simplify right side
    906,489.20x = 662,136,089,675.28
  5. Step 5: Solve for x
    x = 662,136,089,675.28/906,489.20
  6. Step 6: Final answer
    x = 730,440.13

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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.