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Finding the Fourth Proportional to 555,618.08, 766,737.24 and 326,171.68

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Solution

The fourth proportional to 555,618.08, 766,737.24 and 326,171.68 is: 450,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,618.08 : 766,737.24 = 326,171.68 : x
  2. Step 2: Convert to fraction form
    555,618.08/766,737.24 = 326,171.68/x
  3. Step 3: Cross multiply
    555,618.08x = 766,737.24 × 326,171.68
  4. Step 4: Simplify right side
    555,618.08x = 250,087,973,689.36
  5. Step 5: Solve for x
    x = 250,087,973,689.36/555,618.08
  6. Step 6: Final answer
    x = 450,107.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.