Home / 768,158.46-1,060,558.01-687,447.23

Finding the Fourth Proportional to 768,158.46, 1,060,558.01 and 687,447.23

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Solution

The fourth proportional to 768,158.46, 1,060,558.01 and 687,447.23 is: 949,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,158.46 : 1,060,558.01 = 687,447.23 : x
  2. Step 2: Convert to fraction form
    768,158.46/1,060,558.01 = 687,447.23/x
  3. Step 3: Cross multiply
    768,158.46x = 1,060,558.01 × 687,447.23
  4. Step 4: Simplify right side
    768,158.46x = 729,077,663,049.53
  5. Step 5: Solve for x
    x = 729,077,663,049.53/768,158.46
  6. Step 6: Final answer
    x = 949,124.04

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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.