Home / 747,735.80-1,121,603.70-482,015.30

Finding the Fourth Proportional to 747,735.80, 1,121,603.70 and 482,015.30

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Solution

The fourth proportional to 747,735.80, 1,121,603.70 and 482,015.30 is: 723,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,735.80 : 1,121,603.70 = 482,015.30 : x
  2. Step 2: Convert to fraction form
    747,735.80/1,121,603.70 = 482,015.30/x
  3. Step 3: Cross multiply
    747,735.80x = 1,121,603.70 × 482,015.30
  4. Step 4: Simplify right side
    747,735.80x = 540,630,143,936.61
  5. Step 5: Solve for x
    x = 540,630,143,936.61/747,735.80
  6. Step 6: Final answer
    x = 723,022.95

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Double scale
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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.