Home / 627,097.20-865,390.68-340,614.96

Finding the Fourth Proportional to 627,097.20, 865,390.68 and 340,614.96

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Solution

The fourth proportional to 627,097.20, 865,390.68 and 340,614.96 is: 470,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,097.20 : 865,390.68 = 340,614.96 : x
  2. Step 2: Convert to fraction form
    627,097.20/865,390.68 = 340,614.96/x
  3. Step 3: Cross multiply
    627,097.20x = 865,390.68 × 340,614.96
  4. Step 4: Simplify right side
    627,097.20x = 294,765,011,852.57
  5. Step 5: Solve for x
    x = 294,765,011,852.57/627,097.20
  6. Step 6: Final answer
    x = 470,046.77

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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.