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Finding the Fourth Proportional to 502,238.40, 753,357.60 and 449,750.40

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Solution

The fourth proportional to 502,238.40, 753,357.60 and 449,750.40 is: 674,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,238.40 : 753,357.60 = 449,750.40 : x
  2. Step 2: Convert to fraction form
    502,238.40/753,357.60 = 449,750.40/x
  3. Step 3: Cross multiply
    502,238.40x = 753,357.60 × 449,750.40
  4. Step 4: Simplify right side
    502,238.40x = 338,822,881,943.04
  5. Step 5: Solve for x
    x = 338,822,881,943.04/502,238.40
  6. Step 6: Final answer
    x = 674,625.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.