Home / 755,686.07-1,133,678.60-215,947.23

Finding the Fourth Proportional to 755,686.07, 1,133,678.60 and 215,947.23

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Solution

The fourth proportional to 755,686.07, 1,133,678.60 and 215,947.23 is: 323,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,686.07 : 1,133,678.60 = 215,947.23 : x
  2. Step 2: Convert to fraction form
    755,686.07/1,133,678.60 = 215,947.23/x
  3. Step 3: Cross multiply
    755,686.07x = 1,133,678.60 × 215,947.23
  4. Step 4: Simplify right side
    755,686.07x = 244,814,748,859.05
  5. Step 5: Solve for x
    x = 244,814,748,859.05/755,686.07
  6. Step 6: Final answer
    x = 323,963.56

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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.