Home / 887,228.34-1,224,399.66-543,057.42

Finding the Fourth Proportional to 887,228.34, 1,224,399.66 and 543,057.42

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Solution

The fourth proportional to 887,228.34, 1,224,399.66 and 543,057.42 is: 749,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,228.34 : 1,224,399.66 = 543,057.42 : x
  2. Step 2: Convert to fraction form
    887,228.34/1,224,399.66 = 543,057.42/x
  3. Step 3: Cross multiply
    887,228.34x = 1,224,399.66 × 543,057.42
  4. Step 4: Simplify right side
    887,228.34x = 664,919,320,408.48
  5. Step 5: Solve for x
    x = 664,919,320,408.48/887,228.34
  6. Step 6: Final answer
    x = 749,434.27

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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.