Home / 747,745.80-1,121,618.70-482,025.30

Finding the Fourth Proportional to 747,745.80, 1,121,618.70 and 482,025.30

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Solution

The fourth proportional to 747,745.80, 1,121,618.70 and 482,025.30 is: 723,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,745.80 : 1,121,618.70 = 482,025.30 : x
  2. Step 2: Convert to fraction form
    747,745.80/1,121,618.70 = 482,025.30/x
  3. Step 3: Cross multiply
    747,745.80x = 1,121,618.70 × 482,025.30
  4. Step 4: Simplify right side
    747,745.80x = 540,648,590,353.11
  5. Step 5: Solve for x
    x = 540,648,590,353.11/747,745.80
  6. Step 6: Final answer
    x = 723,037.95

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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.