Home / 754,186.72-1,040,768.50-561,455.52

Finding the Fourth Proportional to 754,186.72, 1,040,768.50 and 561,455.52

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Solution

The fourth proportional to 754,186.72, 1,040,768.50 and 561,455.52 is: 774,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,186.72 : 1,040,768.50 = 561,455.52 : x
  2. Step 2: Convert to fraction form
    754,186.72/1,040,768.50 = 561,455.52/x
  3. Step 3: Cross multiply
    754,186.72x = 1,040,768.50 × 561,455.52
  4. Step 4: Simplify right side
    754,186.72x = 584,345,219,367.12
  5. Step 5: Solve for x
    x = 584,345,219,367.12/754,186.72
  6. Step 6: Final answer
    x = 774,801.79

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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.