Home / 683,765.70-1,025,648.55-471,189.30

Finding the Fourth Proportional to 683,765.70, 1,025,648.55 and 471,189.30

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Solution

The fourth proportional to 683,765.70, 1,025,648.55 and 471,189.30 is: 706,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,765.70 : 1,025,648.55 = 471,189.30 : x
  2. Step 2: Convert to fraction form
    683,765.70/1,025,648.55 = 471,189.30/x
  3. Step 3: Cross multiply
    683,765.70x = 1,025,648.55 × 471,189.30
  4. Step 4: Simplify right side
    683,765.70x = 483,274,622,320.52
  5. Step 5: Solve for x
    x = 483,274,622,320.52/683,765.70
  6. Step 6: Final answer
    x = 706,783.95

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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.