Home / 817,431.12-1,226,132.37-367,833.78

Finding the Fourth Proportional to 817,431.12, 1,226,132.37 and 367,833.78

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Solution

The fourth proportional to 817,431.12, 1,226,132.37 and 367,833.78 is: 551,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,431.12 : 1,226,132.37 = 367,833.78 : x
  2. Step 2: Convert to fraction form
    817,431.12/1,226,132.37 = 367,833.78/x
  3. Step 3: Cross multiply
    817,431.12x = 1,226,132.37 × 367,833.78
  4. Step 4: Simplify right side
    817,431.12x = 451,012,904,437.46
  5. Step 5: Solve for x
    x = 451,012,904,437.46/817,431.12
  6. Step 6: Final answer
    x = 551,744.23

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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.