Home / 725,756.73-1,086,266.21-533,580.26

Finding the Fourth Proportional to 725,756.73, 1,086,266.21 and 533,580.26

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Solution

The fourth proportional to 725,756.73, 1,086,266.21 and 533,580.26 is: 798,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,756.73 : 1,086,266.21 = 533,580.26 : x
  2. Step 2: Convert to fraction form
    725,756.73/1,086,266.21 = 533,580.26/x
  3. Step 3: Cross multiply
    725,756.73x = 1,086,266.21 × 533,580.26
  4. Step 4: Simplify right side
    725,756.73x = 579,610,198,661.78
  5. Step 5: Solve for x
    x = 579,610,198,661.78/725,756.73
  6. Step 6: Final answer
    x = 798,628.77

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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.