Home / 754,238.75-1,040,699.91-423,105.31

Finding the Fourth Proportional to 754,238.75, 1,040,699.91 and 423,105.31

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Solution

The fourth proportional to 754,238.75, 1,040,699.91 and 423,105.31 is: 583,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,238.75 : 1,040,699.91 = 423,105.31 : x
  2. Step 2: Convert to fraction form
    754,238.75/1,040,699.91 = 423,105.31/x
  3. Step 3: Cross multiply
    754,238.75x = 1,040,699.91 × 423,105.31
  4. Step 4: Simplify right side
    754,238.75x = 440,325,658,037.52
  5. Step 5: Solve for x
    x = 440,325,658,037.52/754,238.75
  6. Step 6: Final answer
    x = 583,801.43

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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.