Home / 754,091.48-1,040,666.38-409,950.46

Finding the Fourth Proportional to 754,091.48, 1,040,666.38 and 409,950.46

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Solution

The fourth proportional to 754,091.48, 1,040,666.38 and 409,950.46 is: 565,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,091.48 : 1,040,666.38 = 409,950.46 : x
  2. Step 2: Convert to fraction form
    754,091.48/1,040,666.38 = 409,950.46/x
  3. Step 3: Cross multiply
    754,091.48x = 1,040,666.38 × 409,950.46
  4. Step 4: Simplify right side
    754,091.48x = 426,621,661,187.54
  5. Step 5: Solve for x
    x = 426,621,661,187.54/754,091.48
  6. Step 6: Final answer
    x = 565,742.58

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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.