Home / 814,862.80-1,222,409.40-253,838.80

Finding the Fourth Proportional to 814,862.80, 1,222,409.40 and 253,838.80

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Solution

The fourth proportional to 814,862.80, 1,222,409.40 and 253,838.80 is: 380,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,862.80 : 1,222,409.40 = 253,838.80 : x
  2. Step 2: Convert to fraction form
    814,862.80/1,222,409.40 = 253,838.80/x
  3. Step 3: Cross multiply
    814,862.80x = 1,222,409.40 × 253,838.80
  4. Step 4: Simplify right side
    814,862.80x = 310,294,935,204.72
  5. Step 5: Solve for x
    x = 310,294,935,204.72/814,862.80
  6. Step 6: Final answer
    x = 380,794.09

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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.