Home / 755,134.30-1,132,664.54-281,782.75

Finding the Fourth Proportional to 755,134.30, 1,132,664.54 and 281,782.75

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Solution

The fourth proportional to 755,134.30, 1,132,664.54 and 281,782.75 is: 422,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,134.30 : 1,132,664.54 = 281,782.75 : x
  2. Step 2: Convert to fraction form
    755,134.30/1,132,664.54 = 281,782.75/x
  3. Step 3: Cross multiply
    755,134.30x = 1,132,664.54 × 281,782.75
  4. Step 4: Simplify right side
    755,134.30x = 319,165,328,204.23
  5. Step 5: Solve for x
    x = 319,165,328,204.23/755,134.30
  6. Step 6: Final answer
    x = 422,660.35

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1.5x scale

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.