Home / 876,005.70-1,313,101.35-475,800.90

Finding the Fourth Proportional to 876,005.70, 1,313,101.35 and 475,800.90

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Solution

The fourth proportional to 876,005.70, 1,313,101.35 and 475,800.90 is: 713,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,005.70 : 1,313,101.35 = 475,800.90 : x
  2. Step 2: Convert to fraction form
    876,005.70/1,313,101.35 = 475,800.90/x
  3. Step 3: Cross multiply
    876,005.70x = 1,313,101.35 × 475,800.90
  4. Step 4: Simplify right side
    876,005.70x = 624,774,804,121.22
  5. Step 5: Solve for x
    x = 624,774,804,121.22/876,005.70
  6. Step 6: Final answer
    x = 713,208.61

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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.