Home / 627,200.74-865,532.28-340,722.91

Finding the Fourth Proportional to 627,200.74, 865,532.28 and 340,722.91

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Solution

The fourth proportional to 627,200.74, 865,532.28 and 340,722.91 is: 470,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,200.74 : 865,532.28 = 340,722.91 : x
  2. Step 2: Convert to fraction form
    627,200.74/865,532.28 = 340,722.91/x
  3. Step 3: Cross multiply
    627,200.74x = 865,532.28 × 340,722.91
  4. Step 4: Simplify right side
    627,200.74x = 294,906,677,140.54
  5. Step 5: Solve for x
    x = 294,906,677,140.54/627,200.74
  6. Step 6: Final answer
    x = 470,195.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.