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Finding the Fourth Proportional to 502,273.00, 749,796.69 and 430,422.76

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Solution

The fourth proportional to 502,273.00, 749,796.69 and 430,422.76 is: 642,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,273.00 : 749,796.69 = 430,422.76 : x
  2. Step 2: Convert to fraction form
    502,273.00/749,796.69 = 430,422.76/x
  3. Step 3: Cross multiply
    502,273.00x = 749,796.69 × 430,422.76
  4. Step 4: Simplify right side
    502,273.00x = 322,729,554,847.57
  5. Step 5: Solve for x
    x = 322,729,554,847.57/502,273.00
  6. Step 6: Final answer
    x = 642,538.14

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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.