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Finding the Fourth Proportional to 550,363.20, 825,544.80 and 450,718.02

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Solution

The fourth proportional to 550,363.20, 825,544.80 and 450,718.02 is: 676,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,363.20 : 825,544.80 = 450,718.02 : x
  2. Step 2: Convert to fraction form
    550,363.20/825,544.80 = 450,718.02/x
  3. Step 3: Cross multiply
    550,363.20x = 825,544.80 × 450,718.02
  4. Step 4: Simplify right side
    550,363.20x = 372,087,917,677.30
  5. Step 5: Solve for x
    x = 372,087,917,677.30/550,363.20
  6. Step 6: Final answer
    x = 676,077.03

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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.