Home / 508,748.45-702,037.73-282,376.13

Finding the Fourth Proportional to 508,748.45, 702,037.73 and 282,376.13

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Solution

The fourth proportional to 508,748.45, 702,037.73 and 282,376.13 is: 389,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,748.45 : 702,037.73 = 282,376.13 : x
  2. Step 2: Convert to fraction form
    508,748.45/702,037.73 = 282,376.13/x
  3. Step 3: Cross multiply
    508,748.45x = 702,037.73 × 282,376.13
  4. Step 4: Simplify right side
    508,748.45x = 198,238,694,507.14
  5. Step 5: Solve for x
    x = 198,238,694,507.14/508,748.45
  6. Step 6: Final answer
    x = 389,659.56

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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.