Home / 749,074.75-1,033,723.16-409,543

Finding the Fourth Proportional to 749,074.75, 1,033,723.16 and 409,543

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Solution

The fourth proportional to 749,074.75, 1,033,723.16 and 409,543 is: 565,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,074.75 : 1,033,723.16 = 409,543 : x
  2. Step 2: Convert to fraction form
    749,074.75/1,033,723.16 = 409,543/x
  3. Step 3: Cross multiply
    749,074.75x = 1,033,723.16 × 409,543
  4. Step 4: Simplify right side
    749,074.75x = 423,354,084,115.88
  5. Step 5: Solve for x
    x = 423,354,084,115.88/749,074.75
  6. Step 6: Final answer
    x = 565,169.34

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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.