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Finding the Fourth Proportional to 888,803.56, 1,333,309.26 and 312,249.88

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Solution

The fourth proportional to 888,803.56, 1,333,309.26 and 312,249.88 is: 468,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,803.56 : 1,333,309.26 = 312,249.88 : x
  2. Step 2: Convert to fraction form
    888,803.56/1,333,309.26 = 312,249.88/x
  3. Step 3: Cross multiply
    888,803.56x = 1,333,309.26 × 312,249.88
  4. Step 4: Simplify right side
    888,803.56x = 416,325,656,437.89
  5. Step 5: Solve for x
    x = 416,325,656,437.89/888,803.56
  6. Step 6: Final answer
    x = 468,411.33

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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.