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Finding the Fourth Proportional to 533,238.85, 798,972.50 and 375,135.13

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Solution

The fourth proportional to 533,238.85, 798,972.50 and 375,135.13 is: 562,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,238.85 : 798,972.50 = 375,135.13 : x
  2. Step 2: Convert to fraction form
    533,238.85/798,972.50 = 375,135.13/x
  3. Step 3: Cross multiply
    533,238.85x = 798,972.50 × 375,135.13
  4. Step 4: Simplify right side
    533,238.85x = 299,722,650,778.25
  5. Step 5: Solve for x
    x = 299,722,650,778.25/533,238.85
  6. Step 6: Final answer
    x = 562,079.55

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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.