Home / 455,849.80-683,774.70-314,132.20

Finding the Fourth Proportional to 455,849.80, 683,774.70 and 314,132.20

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Solution

The fourth proportional to 455,849.80, 683,774.70 and 314,132.20 is: 471,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,849.80 : 683,774.70 = 314,132.20 : x
  2. Step 2: Convert to fraction form
    455,849.80/683,774.70 = 314,132.20/x
  3. Step 3: Cross multiply
    455,849.80x = 683,774.70 × 314,132.20
  4. Step 4: Simplify right side
    455,849.80x = 214,795,650,815.34
  5. Step 5: Solve for x
    x = 214,795,650,815.34/455,849.80
  6. Step 6: Final answer
    x = 471,198.30

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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.