Home / 751,818.45-1,127,776.82-219,294.75

Finding the Fourth Proportional to 751,818.45, 1,127,776.82 and 219,294.75

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Solution

The fourth proportional to 751,818.45, 1,127,776.82 and 219,294.75 is: 328,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,818.45 : 1,127,776.82 = 219,294.75 : x
  2. Step 2: Convert to fraction form
    751,818.45/1,127,776.82 = 219,294.75/x
  3. Step 3: Cross multiply
    751,818.45x = 1,127,776.82 × 219,294.75
  4. Step 4: Simplify right side
    751,818.45x = 247,315,534,701.22
  5. Step 5: Solve for x
    x = 247,315,534,701.22/751,818.45
  6. Step 6: Final answer
    x = 328,956.46

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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.