Home / 725,653.30-1,088,059.35-245,720.91

Finding the Fourth Proportional to 725,653.30, 1,088,059.35 and 245,720.91

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Solution

The fourth proportional to 725,653.30, 1,088,059.35 and 245,720.91 is: 368,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,653.30 : 1,088,059.35 = 245,720.91 : x
  2. Step 2: Convert to fraction form
    725,653.30/1,088,059.35 = 245,720.91/x
  3. Step 3: Cross multiply
    725,653.30x = 1,088,059.35 × 245,720.91
  4. Step 4: Simplify right side
    725,653.30x = 267,358,933,616.01
  5. Step 5: Solve for x
    x = 267,358,933,616.01/725,653.30
  6. Step 6: Final answer
    x = 368,438.94

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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.