Home / 815,306.27-1,223,176.29-282,826.46

Finding the Fourth Proportional to 815,306.27, 1,223,176.29 and 282,826.46

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Solution

The fourth proportional to 815,306.27, 1,223,176.29 and 282,826.46 is: 424,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,306.27 : 1,223,176.29 = 282,826.46 : x
  2. Step 2: Convert to fraction form
    815,306.27/1,223,176.29 = 282,826.46/x
  3. Step 3: Cross multiply
    815,306.27x = 1,223,176.29 × 282,826.46
  4. Step 4: Simplify right side
    815,306.27x = 345,946,620,056.63
  5. Step 5: Solve for x
    x = 345,946,620,056.63/815,306.27
  6. Step 6: Final answer
    x = 424,314.93

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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.