Home / 876,520.77-1,314,856.09-307,852.37

Finding the Fourth Proportional to 876,520.77, 1,314,856.09 and 307,852.37

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Solution

The fourth proportional to 876,520.77, 1,314,856.09 and 307,852.37 is: 461,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,520.77 : 1,314,856.09 = 307,852.37 : x
  2. Step 2: Convert to fraction form
    876,520.77/1,314,856.09 = 307,852.37/x
  3. Step 3: Cross multiply
    876,520.77x = 1,314,856.09 × 307,852.37
  4. Step 4: Simplify right side
    876,520.77x = 404,781,556,171.52
  5. Step 5: Solve for x
    x = 404,781,556,171.52/876,520.77
  6. Step 6: Final answer
    x = 461,804.87

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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.