Home / 832,781.96-1,149,247.03-488,623.75

Finding the Fourth Proportional to 832,781.96, 1,149,247.03 and 488,623.75

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Solution

The fourth proportional to 832,781.96, 1,149,247.03 and 488,623.75 is: 674,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,781.96 : 1,149,247.03 = 488,623.75 : x
  2. Step 2: Convert to fraction form
    832,781.96/1,149,247.03 = 488,623.75/x
  3. Step 3: Cross multiply
    832,781.96x = 1,149,247.03 × 488,623.75
  4. Step 4: Simplify right side
    832,781.96x = 561,549,393,664.30
  5. Step 5: Solve for x
    x = 561,549,393,664.30/832,781.96
  6. Step 6: Final answer
    x = 674,305.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.