Home / 815,964.80-1,223,948.16-255,002.24

Finding the Fourth Proportional to 815,964.80, 1,223,948.16 and 255,002.24

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Solution

The fourth proportional to 815,964.80, 1,223,948.16 and 255,002.24 is: 382,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,964.80 : 1,223,948.16 = 255,002.24 : x
  2. Step 2: Convert to fraction form
    815,964.80/1,223,948.16 = 255,002.24/x
  3. Step 3: Cross multiply
    815,964.80x = 1,223,948.16 × 255,002.24
  4. Step 4: Simplify right side
    815,964.80x = 312,109,522,443.88
  5. Step 5: Solve for x
    x = 312,109,522,443.88/815,964.80
  6. Step 6: Final answer
    x = 382,503.66

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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.