Home / 751,649.94-1,127,354.89-219,046.40

Finding the Fourth Proportional to 751,649.94, 1,127,354.89 and 219,046.40

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Solution

The fourth proportional to 751,649.94, 1,127,354.89 and 219,046.40 is: 328,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,649.94 : 1,127,354.89 = 219,046.40 : x
  2. Step 2: Convert to fraction form
    751,649.94/1,127,354.89 = 219,046.40/x
  3. Step 3: Cross multiply
    751,649.94x = 1,127,354.89 × 219,046.40
  4. Step 4: Simplify right side
    751,649.94x = 246,943,030,176.90
  5. Step 5: Solve for x
    x = 246,943,030,176.90/751,649.94
  6. Step 6: Final answer
    x = 328,534.62

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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.