Home / 754,011.21-1,040,542.87-409,846.93

Finding the Fourth Proportional to 754,011.21, 1,040,542.87 and 409,846.93

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Solution

The fourth proportional to 754,011.21, 1,040,542.87 and 409,846.93 is: 565,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,011.21 : 1,040,542.87 = 409,846.93 : x
  2. Step 2: Convert to fraction form
    754,011.21/1,040,542.87 = 409,846.93/x
  3. Step 3: Cross multiply
    754,011.21x = 1,040,542.87 × 409,846.93
  4. Step 4: Simplify right side
    754,011.21x = 426,463,300,802.89
  5. Step 5: Solve for x
    x = 426,463,300,802.89/754,011.21
  6. Step 6: Final answer
    x = 565,592.79

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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.