Home / 766,408.23-1,149,751.80-260,943.33

Finding the Fourth Proportional to 766,408.23, 1,149,751.80 and 260,943.33

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Solution

The fourth proportional to 766,408.23, 1,149,751.80 and 260,943.33 is: 391,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,408.23 : 1,149,751.80 = 260,943.33 : x
  2. Step 2: Convert to fraction form
    766,408.23/1,149,751.80 = 260,943.33/x
  3. Step 3: Cross multiply
    766,408.23x = 1,149,751.80 × 260,943.33
  4. Step 4: Simplify right side
    766,408.23x = 300,020,063,365.49
  5. Step 5: Solve for x
    x = 300,020,063,365.49/766,408.23
  6. Step 6: Final answer
    x = 391,462.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.