Home / 683,781.60-1,025,672.40-494,824.80

Finding the Fourth Proportional to 683,781.60, 1,025,672.40 and 494,824.80

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Solution

The fourth proportional to 683,781.60, 1,025,672.40 and 494,824.80 is: 742,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,781.60 : 1,025,672.40 = 494,824.80 : x
  2. Step 2: Convert to fraction form
    683,781.60/1,025,672.40 = 494,824.80/x
  3. Step 3: Cross multiply
    683,781.60x = 1,025,672.40 × 494,824.80
  4. Step 4: Simplify right side
    683,781.60x = 507,528,140,195.52
  5. Step 5: Solve for x
    x = 507,528,140,195.52/683,781.60
  6. Step 6: Final answer
    x = 742,237.20

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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.