Home / 385,622.48-579,321.72-273,580.88

Finding the Fourth Proportional to 385,622.48, 579,321.72 and 273,580.88

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Solution

The fourth proportional to 385,622.48, 579,321.72 and 273,580.88 is: 411,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,622.48 : 579,321.72 = 273,580.88 : x
  2. Step 2: Convert to fraction form
    385,622.48/579,321.72 = 273,580.88/x
  3. Step 3: Cross multiply
    385,622.48x = 579,321.72 × 273,580.88
  4. Step 4: Simplify right side
    385,622.48x = 158,491,345,960.71
  5. Step 5: Solve for x
    x = 158,491,345,960.71/385,622.48
  6. Step 6: Final answer
    x = 411,001.31

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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.