Home / 937,908.20-1,294,900.26-722,639.72

Finding the Fourth Proportional to 937,908.20, 1,294,900.26 and 722,639.72

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Solution

The fourth proportional to 937,908.20, 1,294,900.26 and 722,639.72 is: 997,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,908.20 : 1,294,900.26 = 722,639.72 : x
  2. Step 2: Convert to fraction form
    937,908.20/1,294,900.26 = 722,639.72/x
  3. Step 3: Cross multiply
    937,908.20x = 1,294,900.26 × 722,639.72
  4. Step 4: Simplify right side
    937,908.20x = 935,746,361,314.33
  5. Step 5: Solve for x
    x = 935,746,361,314.33/937,908.20
  6. Step 6: Final answer
    x = 997,695.04

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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.