Home / 637,793.28-954,918.24-321,290.56

Finding the Fourth Proportional to 637,793.28, 954,918.24 and 321,290.56

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Solution

The fourth proportional to 637,793.28, 954,918.24 and 321,290.56 is: 481,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,793.28 : 954,918.24 = 321,290.56 : x
  2. Step 2: Convert to fraction form
    637,793.28/954,918.24 = 321,290.56/x
  3. Step 3: Cross multiply
    637,793.28x = 954,918.24 × 321,290.56
  4. Step 4: Simplify right side
    637,793.28x = 306,806,216,083.81
  5. Step 5: Solve for x
    x = 306,806,216,083.81/637,793.28
  6. Step 6: Final answer
    x = 481,043.35

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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.