Home / 655,609.28-983,084.48-382,143.36

Finding the Fourth Proportional to 655,609.28, 983,084.48 and 382,143.36

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Solution

The fourth proportional to 655,609.28, 983,084.48 and 382,143.36 is: 573,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,609.28 : 983,084.48 = 382,143.36 : x
  2. Step 2: Convert to fraction form
    655,609.28/983,084.48 = 382,143.36/x
  3. Step 3: Cross multiply
    655,609.28x = 983,084.48 × 382,143.36
  4. Step 4: Simplify right side
    655,609.28x = 375,679,206,351.05
  5. Step 5: Solve for x
    x = 375,679,206,351.05/655,609.28
  6. Step 6: Final answer
    x = 573,023.02

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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.