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Finding the Fourth Proportional to 536,152.26, 739,480.12 and 364,202.80

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Solution

The fourth proportional to 536,152.26, 739,480.12 and 364,202.80 is: 502,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,152.26 : 739,480.12 = 364,202.80 : x
  2. Step 2: Convert to fraction form
    536,152.26/739,480.12 = 364,202.80/x
  3. Step 3: Cross multiply
    536,152.26x = 739,480.12 × 364,202.80
  4. Step 4: Simplify right side
    536,152.26x = 269,320,730,248.34
  5. Step 5: Solve for x
    x = 269,320,730,248.34/536,152.26
  6. Step 6: Final answer
    x = 502,321.36

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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.