Home / 508,748.07-702,037.20-282,375.75

Finding the Fourth Proportional to 508,748.07, 702,037.20 and 282,375.75

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Solution

The fourth proportional to 508,748.07, 702,037.20 and 282,375.75 is: 389,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,748.07 : 702,037.20 = 282,375.75 : x
  2. Step 2: Convert to fraction form
    508,748.07/702,037.20 = 282,375.75/x
  3. Step 3: Cross multiply
    508,748.07x = 702,037.20 × 282,375.75
  4. Step 4: Simplify right side
    508,748.07x = 198,238,280,877.90
  5. Step 5: Solve for x
    x = 198,238,280,877.90/508,748.07
  6. Step 6: Final answer
    x = 389,659.03

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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.