Home / 751,847.96-1,127,810.10-219,409.40

Finding the Fourth Proportional to 751,847.96, 1,127,810.10 and 219,409.40

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Solution

The fourth proportional to 751,847.96, 1,127,810.10 and 219,409.40 is: 329,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,847.96 : 1,127,810.10 = 219,409.40 : x
  2. Step 2: Convert to fraction form
    751,847.96/1,127,810.10 = 219,409.40/x
  3. Step 3: Cross multiply
    751,847.96x = 1,127,810.10 × 219,409.40
  4. Step 4: Simplify right side
    751,847.96x = 247,452,137,354.94
  5. Step 5: Solve for x
    x = 247,452,137,354.94/751,847.96
  6. Step 6: Final answer
    x = 329,125.24

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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.