Home / 741,038.55-1,022,633.89-401,506.80

Finding the Fourth Proportional to 741,038.55, 1,022,633.89 and 401,506.80

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Solution

The fourth proportional to 741,038.55, 1,022,633.89 and 401,506.80 is: 554,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,038.55 : 1,022,633.89 = 401,506.80 : x
  2. Step 2: Convert to fraction form
    741,038.55/1,022,633.89 = 401,506.80/x
  3. Step 3: Cross multiply
    741,038.55x = 1,022,633.89 × 401,506.80
  4. Step 4: Simplify right side
    741,038.55x = 410,594,465,099.92
  5. Step 5: Solve for x
    x = 410,594,465,099.92/741,038.55
  6. Step 6: Final answer
    x = 554,079.76

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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.