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Finding the Fourth Proportional to 489,620.04, 734,504.04 and 174,001.92

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Solution

The fourth proportional to 489,620.04, 734,504.04 and 174,001.92 is: 261,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,620.04 : 734,504.04 = 174,001.92 : x
  2. Step 2: Convert to fraction form
    489,620.04/734,504.04 = 174,001.92/x
  3. Step 3: Cross multiply
    489,620.04x = 734,504.04 × 174,001.92
  4. Step 4: Simplify right side
    489,620.04x = 127,805,113,207.76
  5. Step 5: Solve for x
    x = 127,805,113,207.76/489,620.04
  6. Step 6: Final answer
    x = 261,029.17

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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.