Home / 755,757.77-1,042,868.61-465,323.27

Finding the Fourth Proportional to 755,757.77, 1,042,868.61 and 465,323.27

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Solution

The fourth proportional to 755,757.77, 1,042,868.61 and 465,323.27 is: 642,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,757.77 : 1,042,868.61 = 465,323.27 : x
  2. Step 2: Convert to fraction form
    755,757.77/1,042,868.61 = 465,323.27/x
  3. Step 3: Cross multiply
    755,757.77x = 1,042,868.61 × 465,323.27
  4. Step 4: Simplify right side
    755,757.77x = 485,271,031,785.56
  5. Step 5: Solve for x
    x = 485,271,031,785.56/755,757.77
  6. Step 6: Final answer
    x = 642,098.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.