Home / 455,564.19-683,348.72-298,785.45

Finding the Fourth Proportional to 455,564.19, 683,348.72 and 298,785.45

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Solution

The fourth proportional to 455,564.19, 683,348.72 and 298,785.45 is: 448,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,564.19 : 683,348.72 = 298,785.45 : x
  2. Step 2: Convert to fraction form
    455,564.19/683,348.72 = 298,785.45/x
  3. Step 3: Cross multiply
    455,564.19x = 683,348.72 × 298,785.45
  4. Step 4: Simplify right side
    455,564.19x = 204,174,653,318.20
  5. Step 5: Solve for x
    x = 204,174,653,318.20/455,564.19
  6. Step 6: Final answer
    x = 448,179.77

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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.