Home / 744,868.68-1,027,940.22-405,358.44

Finding the Fourth Proportional to 744,868.68, 1,027,940.22 and 405,358.44

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Solution

The fourth proportional to 744,868.68, 1,027,940.22 and 405,358.44 is: 559,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,868.68 : 1,027,940.22 = 405,358.44 : x
  2. Step 2: Convert to fraction form
    744,868.68/1,027,940.22 = 405,358.44/x
  3. Step 3: Cross multiply
    744,868.68x = 1,027,940.22 × 405,358.44
  4. Step 4: Simplify right side
    744,868.68x = 416,684,243,992.46
  5. Step 5: Solve for x
    x = 416,684,243,992.46/744,868.68
  6. Step 6: Final answer
    x = 559,406.32

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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.