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Finding the Fourth Proportional to 503,071.06, 754,385.13 and 266,358.37

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Solution

The fourth proportional to 503,071.06, 754,385.13 and 266,358.37 is: 399,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,071.06 : 754,385.13 = 266,358.37 : x
  2. Step 2: Convert to fraction form
    503,071.06/754,385.13 = 266,358.37/x
  3. Step 3: Cross multiply
    503,071.06x = 754,385.13 × 266,358.37
  4. Step 4: Simplify right side
    503,071.06x = 200,936,793,579.04
  5. Step 5: Solve for x
    x = 200,936,793,579.04/503,071.06
  6. Step 6: Final answer
    x = 399,420.30

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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.