Home / 898,936.98-1,240,537.26-491,044.48

Finding the Fourth Proportional to 898,936.98, 1,240,537.26 and 491,044.48

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Solution

The fourth proportional to 898,936.98, 1,240,537.26 and 491,044.48 is: 677,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,936.98 : 1,240,537.26 = 491,044.48 : x
  2. Step 2: Convert to fraction form
    898,936.98/1,240,537.26 = 491,044.48/x
  3. Step 3: Cross multiply
    898,936.98x = 1,240,537.26 × 491,044.48
  4. Step 4: Simplify right side
    898,936.98x = 609,158,973,757.33
  5. Step 5: Solve for x
    x = 609,158,973,757.33/898,936.98
  6. Step 6: Final answer
    x = 677,643.69

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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.