Home / 740,972.97-1,022,543.70-401,441.22

Finding the Fourth Proportional to 740,972.97, 1,022,543.70 and 401,441.22

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Solution

The fourth proportional to 740,972.97, 1,022,543.70 and 401,441.22 is: 553,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,972.97 : 1,022,543.70 = 401,441.22 : x
  2. Step 2: Convert to fraction form
    740,972.97/1,022,543.70 = 401,441.22/x
  3. Step 3: Cross multiply
    740,972.97x = 1,022,543.70 × 401,441.22
  4. Step 4: Simplify right side
    740,972.97x = 410,491,190,431.31
  5. Step 5: Solve for x
    x = 410,491,190,431.31/740,972.97
  6. Step 6: Final answer
    x = 553,989.43

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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.