Home / 455,495.40-683,243.10-366,921.92

Finding the Fourth Proportional to 455,495.40, 683,243.10 and 366,921.92

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Solution

The fourth proportional to 455,495.40, 683,243.10 and 366,921.92 is: 550,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,495.40 : 683,243.10 = 366,921.92 : x
  2. Step 2: Convert to fraction form
    455,495.40/683,243.10 = 366,921.92/x
  3. Step 3: Cross multiply
    455,495.40x = 683,243.10 × 366,921.92
  4. Step 4: Simplify right side
    455,495.40x = 250,696,870,078.75
  5. Step 5: Solve for x
    x = 250,696,870,078.75/455,495.40
  6. Step 6: Final answer
    x = 550,382.88

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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.