Home / 880,380.38-1,216,064.57-728,033.94

Finding the Fourth Proportional to 880,380.38, 1,216,064.57 and 728,033.94

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Solution

The fourth proportional to 880,380.38, 1,216,064.57 and 728,033.94 is: 1,005,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,380.38 : 1,216,064.57 = 728,033.94 : x
  2. Step 2: Convert to fraction form
    880,380.38/1,216,064.57 = 728,033.94/x
  3. Step 3: Cross multiply
    880,380.38x = 1,216,064.57 × 728,033.94
  4. Step 4: Simplify right side
    880,380.38x = 885,336,280,191.51
  5. Step 5: Solve for x
    x = 885,336,280,191.51/880,380.38
  6. Step 6: Final answer
    x = 1,005,629.27

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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.