Home / 718,039.64-1,077,059.48-219,399.32

Finding the Fourth Proportional to 718,039.64, 1,077,059.48 and 219,399.32

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Solution

The fourth proportional to 718,039.64, 1,077,059.48 and 219,399.32 is: 329,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,039.64 : 1,077,059.48 = 219,399.32 : x
  2. Step 2: Convert to fraction form
    718,039.64/1,077,059.48 = 219,399.32/x
  3. Step 3: Cross multiply
    718,039.64x = 1,077,059.48 × 219,399.32
  4. Step 4: Simplify right side
    718,039.64x = 236,306,119,107.21
  5. Step 5: Solve for x
    x = 236,306,119,107.21/718,039.64
  6. Step 6: Final answer
    x = 329,098.99

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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.