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Finding the Fourth Proportional to 587,391.27, 810,649.47 and 329,264.07

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Solution

The fourth proportional to 587,391.27, 810,649.47 and 329,264.07 is: 454,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,391.27 : 810,649.47 = 329,264.07 : x
  2. Step 2: Convert to fraction form
    587,391.27/810,649.47 = 329,264.07/x
  3. Step 3: Cross multiply
    587,391.27x = 810,649.47 × 329,264.07
  4. Step 4: Simplify right side
    587,391.27x = 266,917,743,835.54
  5. Step 5: Solve for x
    x = 266,917,743,835.54/587,391.27
  6. Step 6: Final answer
    x = 454,412.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.