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Finding the Fourth Proportional to 503,877.66, 755,811.79 and 204,287.02

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Solution

The fourth proportional to 503,877.66, 755,811.79 and 204,287.02 is: 306,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,877.66 : 755,811.79 = 204,287.02 : x
  2. Step 2: Convert to fraction form
    503,877.66/755,811.79 = 204,287.02/x
  3. Step 3: Cross multiply
    503,877.66x = 755,811.79 × 204,287.02
  4. Step 4: Simplify right side
    503,877.66x = 154,402,539,460.09
  5. Step 5: Solve for x
    x = 154,402,539,460.09/503,877.66
  6. Step 6: Final answer
    x = 306,428.63

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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.