Home / 643,008.16-964,502.52-269,031.16

Finding the Fourth Proportional to 643,008.16, 964,502.52 and 269,031.16

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Solution

The fourth proportional to 643,008.16, 964,502.52 and 269,031.16 is: 403,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,008.16 : 964,502.52 = 269,031.16 : x
  2. Step 2: Convert to fraction form
    643,008.16/964,502.52 = 269,031.16/x
  3. Step 3: Cross multiply
    643,008.16x = 964,502.52 × 269,031.16
  4. Step 4: Simplify right side
    643,008.16x = 259,481,231,778.52
  5. Step 5: Solve for x
    x = 259,481,231,778.52/643,008.16
  6. Step 6: Final answer
    x = 403,542.67

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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.