Home / 762,160.78-1,143,389.40-229,655.44

Finding the Fourth Proportional to 762,160.78, 1,143,389.40 and 229,655.44

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Solution

The fourth proportional to 762,160.78, 1,143,389.40 and 229,655.44 is: 344,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,160.78 : 1,143,389.40 = 229,655.44 : x
  2. Step 2: Convert to fraction form
    762,160.78/1,143,389.40 = 229,655.44/x
  3. Step 3: Cross multiply
    762,160.78x = 1,143,389.40 × 229,655.44
  4. Step 4: Simplify right side
    762,160.78x = 262,585,595,748.34
  5. Step 5: Solve for x
    x = 262,585,595,748.34/762,160.78
  6. Step 6: Final answer
    x = 344,527.82

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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.