Home / 683,561.60-1,025,342.40-403,395.20

Finding the Fourth Proportional to 683,561.60, 1,025,342.40 and 403,395.20

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Solution

The fourth proportional to 683,561.60, 1,025,342.40 and 403,395.20 is: 605,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,561.60 : 1,025,342.40 = 403,395.20 : x
  2. Step 2: Convert to fraction form
    683,561.60/1,025,342.40 = 403,395.20/x
  3. Step 3: Cross multiply
    683,561.60x = 1,025,342.40 × 403,395.20
  4. Step 4: Simplify right side
    683,561.60x = 413,618,202,516.48
  5. Step 5: Solve for x
    x = 413,618,202,516.48/683,561.60
  6. Step 6: Final answer
    x = 605,092.80

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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.