Home / 898,900.62-1,240,474.41-491,002.26

Finding the Fourth Proportional to 898,900.62, 1,240,474.41 and 491,002.26

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Solution

The fourth proportional to 898,900.62, 1,240,474.41 and 491,002.26 is: 677,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,900.62 : 1,240,474.41 = 491,002.26 : x
  2. Step 2: Convert to fraction form
    898,900.62/1,240,474.41 = 491,002.26/x
  3. Step 3: Cross multiply
    898,900.62x = 1,240,474.41 × 491,002.26
  4. Step 4: Simplify right side
    898,900.62x = 609,075,738,782.17
  5. Step 5: Solve for x
    x = 609,075,738,782.17/898,900.62
  6. Step 6: Final answer
    x = 677,578.51

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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.