Home / 683,603.70-1,025,624.61-478,651.85

Finding the Fourth Proportional to 683,603.70, 1,025,624.61 and 478,651.85

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Solution

The fourth proportional to 683,603.70, 1,025,624.61 and 478,651.85 is: 718,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,603.70 : 1,025,624.61 = 478,651.85 : x
  2. Step 2: Convert to fraction form
    683,603.70/1,025,624.61 = 478,651.85/x
  3. Step 3: Cross multiply
    683,603.70x = 1,025,624.61 × 478,651.85
  4. Step 4: Simplify right side
    683,603.70x = 490,917,109,460.65
  5. Step 5: Solve for x
    x = 490,917,109,460.65/683,603.70
  6. Step 6: Final answer
    x = 718,131.15

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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.