Home / 740,942.92-1,022,548.26-454,423.96

Finding the Fourth Proportional to 740,942.92, 1,022,548.26 and 454,423.96

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Solution

The fourth proportional to 740,942.92, 1,022,548.26 and 454,423.96 is: 627,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,942.92 : 1,022,548.26 = 454,423.96 : x
  2. Step 2: Convert to fraction form
    740,942.92/1,022,548.26 = 454,423.96/x
  3. Step 3: Cross multiply
    740,942.92x = 1,022,548.26 × 454,423.96
  4. Step 4: Simplify right side
    740,942.92x = 464,670,429,600.31
  5. Step 5: Solve for x
    x = 464,670,429,600.31/740,942.92
  6. Step 6: Final answer
    x = 627,133.91

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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.