Home / 749,218.88-1,033,571.41-491,027.13

Finding the Fourth Proportional to 749,218.88, 1,033,571.41 and 491,027.13

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Solution

The fourth proportional to 749,218.88, 1,033,571.41 and 491,027.13 is: 677,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,218.88 : 1,033,571.41 = 491,027.13 : x
  2. Step 2: Convert to fraction form
    749,218.88/1,033,571.41 = 491,027.13/x
  3. Step 3: Cross multiply
    749,218.88x = 1,033,571.41 × 491,027.13
  4. Step 4: Simplify right side
    749,218.88x = 507,511,601,874.79
  5. Step 5: Solve for x
    x = 507,511,601,874.79/749,218.88
  6. Step 6: Final answer
    x = 677,387.63

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Double scale
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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.