Home / 759,843.36-1,138,760.48-399,277.52

Finding the Fourth Proportional to 759,843.36, 1,138,760.48 and 399,277.52

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Solution

The fourth proportional to 759,843.36, 1,138,760.48 and 399,277.52 is: 598,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,843.36 : 1,138,760.48 = 399,277.52 : x
  2. Step 2: Convert to fraction form
    759,843.36/1,138,760.48 = 399,277.52/x
  3. Step 3: Cross multiply
    759,843.36x = 1,138,760.48 × 399,277.52
  4. Step 4: Simplify right side
    759,843.36x = 454,681,460,328.41
  5. Step 5: Solve for x
    x = 454,681,460,328.41/759,843.36
  6. Step 6: Final answer
    x = 598,388.41

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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.