Home / 755,999.91-1,134,221.36-223,534.80

Finding the Fourth Proportional to 755,999.91, 1,134,221.36 and 223,534.80

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Solution

The fourth proportional to 755,999.91, 1,134,221.36 and 223,534.80 is: 335,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,999.91 : 1,134,221.36 = 223,534.80 : x
  2. Step 2: Convert to fraction form
    755,999.91/1,134,221.36 = 223,534.80/x
  3. Step 3: Cross multiply
    755,999.91x = 1,134,221.36 × 223,534.80
  4. Step 4: Simplify right side
    755,999.91x = 253,537,943,745.65
  5. Step 5: Solve for x
    x = 253,537,943,745.65/755,999.91
  6. Step 6: Final answer
    x = 335,367.69

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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.