Home / 751,648.77-1,127,353.14-219,045.22

Finding the Fourth Proportional to 751,648.77, 1,127,353.14 and 219,045.22

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Solution

The fourth proportional to 751,648.77, 1,127,353.14 and 219,045.22 is: 328,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,648.77 : 1,127,353.14 = 219,045.22 : x
  2. Step 2: Convert to fraction form
    751,648.77/1,127,353.14 = 219,045.22/x
  3. Step 3: Cross multiply
    751,648.77x = 1,127,353.14 × 219,045.22
  4. Step 4: Simplify right side
    751,648.77x = 246,941,313,750.61
  5. Step 5: Solve for x
    x = 246,941,313,750.61/751,648.77
  6. Step 6: Final answer
    x = 328,532.85

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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.