Home / 655,228-982,385.92-290,291.52

Finding the Fourth Proportional to 655,228, 982,385.92 and 290,291.52

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Solution

The fourth proportional to 655,228, 982,385.92 and 290,291.52 is: 435,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,228 : 982,385.92 = 290,291.52 : x
  2. Step 2: Convert to fraction form
    655,228/982,385.92 = 290,291.52/x
  3. Step 3: Cross multiply
    655,228x = 982,385.92 × 290,291.52
  4. Step 4: Simplify right side
    655,228x = 285,178,301,943.40
  5. Step 5: Solve for x
    x = 285,178,301,943.40/655,228
  6. Step 6: Final answer
    x = 435,235.22

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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.