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Finding the Fourth Proportional to 477,566.69, 715,339.15 and 327,101.09

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Solution

The fourth proportional to 477,566.69, 715,339.15 and 327,101.09 is: 489,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,566.69 : 715,339.15 = 327,101.09 : x
  2. Step 2: Convert to fraction form
    477,566.69/715,339.15 = 327,101.09/x
  3. Step 3: Cross multiply
    477,566.69x = 715,339.15 × 327,101.09
  4. Step 4: Simplify right side
    477,566.69x = 233,988,211,290.23
  5. Step 5: Solve for x
    x = 233,988,211,290.23/477,566.69
  6. Step 6: Final answer
    x = 489,959.24

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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.