Home / 754,090.47-1,040,665.01-409,949.48

Finding the Fourth Proportional to 754,090.47, 1,040,665.01 and 409,949.48

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Solution

The fourth proportional to 754,090.47, 1,040,665.01 and 409,949.48 is: 565,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,090.47 : 1,040,665.01 = 409,949.48 : x
  2. Step 2: Convert to fraction form
    754,090.47/1,040,665.01 = 409,949.48/x
  3. Step 3: Cross multiply
    754,090.47x = 1,040,665.01 × 409,949.48
  4. Step 4: Simplify right side
    754,090.47x = 426,620,072,450.62
  5. Step 5: Solve for x
    x = 426,620,072,450.62/754,090.47
  6. Step 6: Final answer
    x = 565,741.23

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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.