Home / 751,844.96-1,127,805.60-219,406.40

Finding the Fourth Proportional to 751,844.96, 1,127,805.60 and 219,406.40

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Solution

The fourth proportional to 751,844.96, 1,127,805.60 and 219,406.40 is: 329,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,844.96 : 1,127,805.60 = 219,406.40 : x
  2. Step 2: Convert to fraction form
    751,844.96/1,127,805.60 = 219,406.40/x
  3. Step 3: Cross multiply
    751,844.96x = 1,127,805.60 × 219,406.40
  4. Step 4: Simplify right side
    751,844.96x = 247,447,766,595.84
  5. Step 5: Solve for x
    x = 247,447,766,595.84/751,844.96
  6. Step 6: Final answer
    x = 329,120.74

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1.5x scale

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.