Home / 455,930.90-683,896.35-449,710.10

Finding the Fourth Proportional to 455,930.90, 683,896.35 and 449,710.10

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Solution

The fourth proportional to 455,930.90, 683,896.35 and 449,710.10 is: 674,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,930.90 : 683,896.35 = 449,710.10 : x
  2. Step 2: Convert to fraction form
    455,930.90/683,896.35 = 449,710.10/x
  3. Step 3: Cross multiply
    455,930.90x = 683,896.35 × 449,710.10
  4. Step 4: Simplify right side
    455,930.90x = 307,555,095,948.14
  5. Step 5: Solve for x
    x = 307,555,095,948.14/455,930.90
  6. Step 6: Final answer
    x = 674,565.15

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Similar ratio
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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.