Home / 713,745.25-1,070,898.09-314,105.69

Finding the Fourth Proportional to 713,745.25, 1,070,898.09 and 314,105.69

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Solution

The fourth proportional to 713,745.25, 1,070,898.09 and 314,105.69 is: 471,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,745.25 : 1,070,898.09 = 314,105.69 : x
  2. Step 2: Convert to fraction form
    713,745.25/1,070,898.09 = 314,105.69/x
  3. Step 3: Cross multiply
    713,745.25x = 1,070,898.09 × 314,105.69
  4. Step 4: Simplify right side
    713,745.25x = 336,375,179,070.63
  5. Step 5: Solve for x
    x = 336,375,179,070.63/713,745.25
  6. Step 6: Final answer
    x = 471,281.85

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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.