Home / 755,921.51-1,133,201.57-275,814.19

Finding the Fourth Proportional to 755,921.51, 1,133,201.57 and 275,814.19

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Solution

The fourth proportional to 755,921.51, 1,133,201.57 and 275,814.19 is: 413,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,921.51 : 1,133,201.57 = 275,814.19 : x
  2. Step 2: Convert to fraction form
    755,921.51/1,133,201.57 = 275,814.19/x
  3. Step 3: Cross multiply
    755,921.51x = 1,133,201.57 × 275,814.19
  4. Step 4: Simplify right side
    755,921.51x = 312,553,070,762.31
  5. Step 5: Solve for x
    x = 312,553,070,762.31/755,921.51
  6. Step 6: Final answer
    x = 413,472.91

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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.