Home / 815,932.98-1,223,609.86-239,395.35

Finding the Fourth Proportional to 815,932.98, 1,223,609.86 and 239,395.35

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Solution

The fourth proportional to 815,932.98, 1,223,609.86 and 239,395.35 is: 359,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,932.98 : 1,223,609.86 = 239,395.35 : x
  2. Step 2: Convert to fraction form
    815,932.98/1,223,609.86 = 239,395.35/x
  3. Step 3: Cross multiply
    815,932.98x = 1,223,609.86 × 239,395.35
  4. Step 4: Simplify right side
    815,932.98x = 292,926,510,698.15
  5. Step 5: Solve for x
    x = 292,926,510,698.15/815,932.98
  6. Step 6: Final answer
    x = 359,008.05

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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.