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Finding the Fourth Proportional to 538,611.14, 801,558.87 and 520,672.02

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Solution

The fourth proportional to 538,611.14, 801,558.87 and 520,672.02 is: 774,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,611.14 : 801,558.87 = 520,672.02 : x
  2. Step 2: Convert to fraction form
    538,611.14/801,558.87 = 520,672.02/x
  3. Step 3: Cross multiply
    538,611.14x = 801,558.87 × 520,672.02
  4. Step 4: Simplify right side
    538,611.14x = 417,349,273,388.46
  5. Step 5: Solve for x
    x = 417,349,273,388.46/538,611.14
  6. Step 6: Final answer
    x = 774,861.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.