Home / 762,031.72-1,143,090.78-229,626.28

Finding the Fourth Proportional to 762,031.72, 1,143,090.78 and 229,626.28

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Solution

The fourth proportional to 762,031.72, 1,143,090.78 and 229,626.28 is: 344,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,031.72 : 1,143,090.78 = 229,626.28 : x
  2. Step 2: Convert to fraction form
    762,031.72/1,143,090.78 = 229,626.28/x
  3. Step 3: Cross multiply
    762,031.72x = 1,143,090.78 × 229,626.28
  4. Step 4: Simplify right side
    762,031.72x = 262,483,683,513.70
  5. Step 5: Solve for x
    x = 262,483,683,513.70/762,031.72
  6. Step 6: Final answer
    x = 344,452.44

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Double scale
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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.