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Finding the Fourth Proportional to 671,531.87, 926,714.12 and 365,608.28

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Solution

The fourth proportional to 671,531.87, 926,714.12 and 365,608.28 is: 504,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,531.87 : 926,714.12 = 365,608.28 : x
  2. Step 2: Convert to fraction form
    671,531.87/926,714.12 = 365,608.28/x
  3. Step 3: Cross multiply
    671,531.87x = 926,714.12 × 365,608.28
  4. Step 4: Simplify right side
    671,531.87x = 338,814,351,745.36
  5. Step 5: Solve for x
    x = 338,814,351,745.36/671,531.87
  6. Step 6: Final answer
    x = 504,539.49

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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.