Home / 762,044.28-1,143,110.16-229,509.78

Finding the Fourth Proportional to 762,044.28, 1,143,110.16 and 229,509.78

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Solution

The fourth proportional to 762,044.28, 1,143,110.16 and 229,509.78 is: 344,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,044.28 : 1,143,110.16 = 229,509.78 : x
  2. Step 2: Convert to fraction form
    762,044.28/1,143,110.16 = 229,509.78/x
  3. Step 3: Cross multiply
    762,044.28x = 1,143,110.16 × 229,509.78
  4. Step 4: Simplify right side
    762,044.28x = 262,354,961,337.37
  5. Step 5: Solve for x
    x = 262,354,961,337.37/762,044.28
  6. Step 6: Final answer
    x = 344,277.84

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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.