Home / 645,189.48-964,954.62-574,610.04

Finding the Fourth Proportional to 645,189.48, 964,954.62 and 574,610.04

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Solution

The fourth proportional to 645,189.48, 964,954.62 and 574,610.04 is: 859,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,189.48 : 964,954.62 = 574,610.04 : x
  2. Step 2: Convert to fraction form
    645,189.48/964,954.62 = 574,610.04/x
  3. Step 3: Cross multiply
    645,189.48x = 964,954.62 × 574,610.04
  4. Step 4: Simplify right side
    645,189.48x = 554,472,612,796.39
  5. Step 5: Solve for x
    x = 554,472,612,796.39/645,189.48
  6. Step 6: Final answer
    x = 859,395.00

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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.