Home / 655,359.15-982,581.85-290,422.04

Finding the Fourth Proportional to 655,359.15, 982,581.85 and 290,422.04

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Solution

The fourth proportional to 655,359.15, 982,581.85 and 290,422.04 is: 435,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,359.15 : 982,581.85 = 290,422.04 : x
  2. Step 2: Convert to fraction form
    655,359.15/982,581.85 = 290,422.04/x
  3. Step 3: Cross multiply
    655,359.15x = 982,581.85 × 290,422.04
  4. Step 4: Simplify right side
    655,359.15x = 285,363,424,656.88
  5. Step 5: Solve for x
    x = 285,363,424,656.88/655,359.15
  6. Step 6: Final answer
    x = 435,430.59

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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.