Home / 930,078.20-1,283,408.51-522,224.88

Finding the Fourth Proportional to 930,078.20, 1,283,408.51 and 522,224.88

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Solution

The fourth proportional to 930,078.20, 1,283,408.51 and 522,224.88 is: 720,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,078.20 : 1,283,408.51 = 522,224.88 : x
  2. Step 2: Convert to fraction form
    930,078.20/1,283,408.51 = 522,224.88/x
  3. Step 3: Cross multiply
    930,078.20x = 1,283,408.51 × 522,224.88
  4. Step 4: Simplify right side
    930,078.20x = 670,227,855,125.73
  5. Step 5: Solve for x
    x = 670,227,855,125.73/930,078.20
  6. Step 6: Final answer
    x = 720,614.52

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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.