Home / 749,919.56-1,034,886.26-405,754.44

Finding the Fourth Proportional to 749,919.56, 1,034,886.26 and 405,754.44

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Solution

The fourth proportional to 749,919.56, 1,034,886.26 and 405,754.44 is: 559,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,919.56 : 1,034,886.26 = 405,754.44 : x
  2. Step 2: Convert to fraction form
    749,919.56/1,034,886.26 = 405,754.44/x
  3. Step 3: Cross multiply
    749,919.56x = 1,034,886.26 × 405,754.44
  4. Step 4: Simplify right side
    749,919.56x = 419,909,694,889.99
  5. Step 5: Solve for x
    x = 419,909,694,889.99/749,919.56
  6. Step 6: Final answer
    x = 559,939.65

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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.