Home / 827,592.10-1,242,002.55-329,313.70

Finding the Fourth Proportional to 827,592.10, 1,242,002.55 and 329,313.70

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Solution

The fourth proportional to 827,592.10, 1,242,002.55 and 329,313.70 is: 494,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,592.10 : 1,242,002.55 = 329,313.70 : x
  2. Step 2: Convert to fraction form
    827,592.10/1,242,002.55 = 329,313.70/x
  3. Step 3: Cross multiply
    827,592.10x = 1,242,002.55 × 329,313.70
  4. Step 4: Simplify right side
    827,592.10x = 409,008,455,149.94
  5. Step 5: Solve for x
    x = 409,008,455,149.94/827,592.10
  6. Step 6: Final answer
    x = 494,215.03

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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.