Home / 945,408.28-1,305,145.20-730,064.92

Finding the Fourth Proportional to 945,408.28, 1,305,145.20 and 730,064.92

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Solution

The fourth proportional to 945,408.28, 1,305,145.20 and 730,064.92 is: 1,007,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,408.28 : 1,305,145.20 = 730,064.92 : x
  2. Step 2: Convert to fraction form
    945,408.28/1,305,145.20 = 730,064.92/x
  3. Step 3: Cross multiply
    945,408.28x = 1,305,145.20 × 730,064.92
  4. Step 4: Simplify right side
    945,408.28x = 952,840,726,026.38
  5. Step 5: Solve for x
    x = 952,840,726,026.38/945,408.28
  6. Step 6: Final answer
    x = 1,007,861.63

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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.