Home / 754,176.60-1,131,633.54-354,857.04

Finding the Fourth Proportional to 754,176.60, 1,131,633.54 and 354,857.04

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Solution

The fourth proportional to 754,176.60, 1,131,633.54 and 354,857.04 is: 532,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,176.60 : 1,131,633.54 = 354,857.04 : x
  2. Step 2: Convert to fraction form
    754,176.60/1,131,633.54 = 354,857.04/x
  3. Step 3: Cross multiply
    754,176.60x = 1,131,633.54 × 354,857.04
  4. Step 4: Simplify right side
    754,176.60x = 401,568,128,369.12
  5. Step 5: Solve for x
    x = 401,568,128,369.12/754,176.60
  6. Step 6: Final answer
    x = 532,459.01

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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.