Home / 512,966.16-769,462.38-243,031.10

Finding the Fourth Proportional to 512,966.16, 769,462.38 and 243,031.10

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Solution

The fourth proportional to 512,966.16, 769,462.38 and 243,031.10 is: 364,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,966.16 : 769,462.38 = 243,031.10 : x
  2. Step 2: Convert to fraction form
    512,966.16/769,462.38 = 243,031.10/x
  3. Step 3: Cross multiply
    512,966.16x = 769,462.38 × 243,031.10
  4. Step 4: Simplify right side
    512,966.16x = 187,003,284,772.71
  5. Step 5: Solve for x
    x = 187,003,284,772.71/512,966.16
  6. Step 6: Final answer
    x = 364,552.87

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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.