Home / 755,714.10-1,133,720.64-215,975.22

Finding the Fourth Proportional to 755,714.10, 1,133,720.64 and 215,975.22

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Solution

The fourth proportional to 755,714.10, 1,133,720.64 and 215,975.22 is: 324,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,714.10 : 1,133,720.64 = 215,975.22 : x
  2. Step 2: Convert to fraction form
    755,714.10/1,133,720.64 = 215,975.22/x
  3. Step 3: Cross multiply
    755,714.10x = 1,133,720.64 × 215,975.22
  4. Step 4: Simplify right side
    755,714.10x = 244,855,564,642.54
  5. Step 5: Solve for x
    x = 244,855,564,642.54/755,714.10
  6. Step 6: Final answer
    x = 324,005.55

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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.