Home / 753,179.20-1,129,960.03-348,663.04

Finding the Fourth Proportional to 753,179.20, 1,129,960.03 and 348,663.04

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Solution

The fourth proportional to 753,179.20, 1,129,960.03 and 348,663.04 is: 523,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,179.20 : 1,129,960.03 = 348,663.04 : x
  2. Step 2: Convert to fraction form
    753,179.20/1,129,960.03 = 348,663.04/x
  3. Step 3: Cross multiply
    753,179.20x = 1,129,960.03 × 348,663.04
  4. Step 4: Simplify right side
    753,179.20x = 393,975,299,138.29
  5. Step 5: Solve for x
    x = 393,975,299,138.29/753,179.20
  6. Step 6: Final answer
    x = 523,083.08

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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.