Home / 758,719.32-1,137,203.46-285,101.88

Finding the Fourth Proportional to 758,719.32, 1,137,203.46 and 285,101.88

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Solution

The fourth proportional to 758,719.32, 1,137,203.46 and 285,101.88 is: 427,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,719.32 : 1,137,203.46 = 285,101.88 : x
  2. Step 2: Convert to fraction form
    758,719.32/1,137,203.46 = 285,101.88/x
  3. Step 3: Cross multiply
    758,719.32x = 1,137,203.46 × 285,101.88
  4. Step 4: Simplify right side
    758,719.32x = 324,218,844,388.51
  5. Step 5: Solve for x
    x = 324,218,844,388.51/758,719.32
  6. Step 6: Final answer
    x = 427,323.83

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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.