Home / 815,468.85-1,223,213.40-246,853.71

Finding the Fourth Proportional to 815,468.85, 1,223,213.40 and 246,853.71

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Solution

The fourth proportional to 815,468.85, 1,223,213.40 and 246,853.71 is: 370,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,468.85 : 1,223,213.40 = 246,853.71 : x
  2. Step 2: Convert to fraction form
    815,468.85/1,223,213.40 = 246,853.71/x
  3. Step 3: Cross multiply
    815,468.85x = 1,223,213.40 × 246,853.71
  4. Step 4: Simplify right side
    815,468.85x = 301,954,765,911.71
  5. Step 5: Solve for x
    x = 301,954,765,911.71/815,468.85
  6. Step 6: Final answer
    x = 370,283.63

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1.5x scale

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.