Home / 955,455.53-1,432,740.42-356,255.80

Finding the Fourth Proportional to 955,455.53, 1,432,740.42 and 356,255.80

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Solution

The fourth proportional to 955,455.53, 1,432,740.42 and 356,255.80 is: 534,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,455.53 : 1,432,740.42 = 356,255.80 : x
  2. Step 2: Convert to fraction form
    955,455.53/1,432,740.42 = 356,255.80/x
  3. Step 3: Cross multiply
    955,455.53x = 1,432,740.42 × 356,255.80
  4. Step 4: Simplify right side
    955,455.53x = 510,422,084,519.44
  5. Step 5: Solve for x
    x = 510,422,084,519.44/955,455.53
  6. Step 6: Final answer
    x = 534,218.57

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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.