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Finding the Fourth Proportional to 482,886.96, 725,041.44 and 270,071.82

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Solution

The fourth proportional to 482,886.96, 725,041.44 and 270,071.82 is: 405,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,886.96 : 725,041.44 = 270,071.82 : x
  2. Step 2: Convert to fraction form
    482,886.96/725,041.44 = 270,071.82/x
  3. Step 3: Cross multiply
    482,886.96x = 725,041.44 × 270,071.82
  4. Step 4: Simplify right side
    482,886.96x = 195,813,261,276.22
  5. Step 5: Solve for x
    x = 195,813,261,276.22/482,886.96
  6. Step 6: Final answer
    x = 405,505.38

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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.