Home / 901,608.66-1,350,266.07-521,728.58

Finding the Fourth Proportional to 901,608.66, 1,350,266.07 and 521,728.58

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Solution

The fourth proportional to 901,608.66, 1,350,266.07 and 521,728.58 is: 781,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,608.66 : 1,350,266.07 = 521,728.58 : x
  2. Step 2: Convert to fraction form
    901,608.66/1,350,266.07 = 521,728.58/x
  3. Step 3: Cross multiply
    901,608.66x = 1,350,266.07 × 521,728.58
  4. Step 4: Simplify right side
    901,608.66x = 704,472,392,571.95
  5. Step 5: Solve for x
    x = 704,472,392,571.95/901,608.66
  6. Step 6: Final answer
    x = 781,350.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.