Home / 740,905.40-1,022,449.26-401,373.56

Finding the Fourth Proportional to 740,905.40, 1,022,449.26 and 401,373.56

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Solution

The fourth proportional to 740,905.40, 1,022,449.26 and 401,373.56 is: 553,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,905.40 : 1,022,449.26 = 401,373.56 : x
  2. Step 2: Convert to fraction form
    740,905.40/1,022,449.26 = 401,373.56/x
  3. Step 3: Cross multiply
    740,905.40x = 1,022,449.26 × 401,373.56
  4. Step 4: Simplify right side
    740,905.40x = 410,384,099,405.57
  5. Step 5: Solve for x
    x = 410,384,099,405.57/740,905.40
  6. Step 6: Final answer
    x = 553,895.41

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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.