Home / 787,458.47-1,181,359.98-255,033.32

Finding the Fourth Proportional to 787,458.47, 1,181,359.98 and 255,033.32

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Solution

The fourth proportional to 787,458.47, 1,181,359.98 and 255,033.32 is: 382,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,458.47 : 1,181,359.98 = 255,033.32 : x
  2. Step 2: Convert to fraction form
    787,458.47/1,181,359.98 = 255,033.32/x
  3. Step 3: Cross multiply
    787,458.47x = 1,181,359.98 × 255,033.32
  4. Step 4: Simplify right side
    787,458.47x = 301,286,160,767.93
  5. Step 5: Solve for x
    x = 301,286,160,767.93/787,458.47
  6. Step 6: Final answer
    x = 382,605.78

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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.