Home / 815,758.40-1,223,764.50-247,004.07

Finding the Fourth Proportional to 815,758.40, 1,223,764.50 and 247,004.07

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Solution

The fourth proportional to 815,758.40, 1,223,764.50 and 247,004.07 is: 370,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,758.40 : 1,223,764.50 = 247,004.07 : x
  2. Step 2: Convert to fraction form
    815,758.40/1,223,764.50 = 247,004.07/x
  3. Step 3: Cross multiply
    815,758.40x = 1,223,764.50 × 247,004.07
  4. Step 4: Simplify right side
    815,758.40x = 302,274,812,221.52
  5. Step 5: Solve for x
    x = 302,274,812,221.52/815,758.40
  6. Step 6: Final answer
    x = 370,544.53

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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.