Home / 868,954.15-1,199,227.74-481,890.79

Finding the Fourth Proportional to 868,954.15, 1,199,227.74 and 481,890.79

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Solution

The fourth proportional to 868,954.15, 1,199,227.74 and 481,890.79 is: 665,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,954.15 : 1,199,227.74 = 481,890.79 : x
  2. Step 2: Convert to fraction form
    868,954.15/1,199,227.74 = 481,890.79/x
  3. Step 3: Cross multiply
    868,954.15x = 1,199,227.74 × 481,890.79
  4. Step 4: Simplify right side
    868,954.15x = 577,896,800,020.45
  5. Step 5: Solve for x
    x = 577,896,800,020.45/868,954.15
  6. Step 6: Final answer
    x = 665,048.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.