Home / 725,838.93-1,088,688-220,404.28

Finding the Fourth Proportional to 725,838.93, 1,088,688 and 220,404.28

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Solution

The fourth proportional to 725,838.93, 1,088,688 and 220,404.28 is: 330,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,838.93 : 1,088,688 = 220,404.28 : x
  2. Step 2: Convert to fraction form
    725,838.93/1,088,688 = 220,404.28/x
  3. Step 3: Cross multiply
    725,838.93x = 1,088,688 × 220,404.28
  4. Step 4: Simplify right side
    725,838.93x = 239,951,494,784.64
  5. Step 5: Solve for x
    x = 239,951,494,784.64/725,838.93
  6. Step 6: Final answer
    x = 330,585.05

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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.