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Finding the Fourth Proportional to 542,297.84, 748,371.04 and 300,616.80

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Solution

The fourth proportional to 542,297.84, 748,371.04 and 300,616.80 is: 414,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,297.84 : 748,371.04 = 300,616.80 : x
  2. Step 2: Convert to fraction form
    542,297.84/748,371.04 = 300,616.80/x
  3. Step 3: Cross multiply
    542,297.84x = 748,371.04 × 300,616.80
  4. Step 4: Simplify right side
    542,297.84x = 224,972,907,257.47
  5. Step 5: Solve for x
    x = 224,972,907,257.47/542,297.84
  6. Step 6: Final answer
    x = 414,851.20

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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.