Home / 627,386.72-865,792.04-340,906.83

Finding the Fourth Proportional to 627,386.72, 865,792.04 and 340,906.83

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Solution

The fourth proportional to 627,386.72, 865,792.04 and 340,906.83 is: 470,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,386.72 : 865,792.04 = 340,906.83 : x
  2. Step 2: Convert to fraction form
    627,386.72/865,792.04 = 340,906.83/x
  3. Step 3: Cross multiply
    627,386.72x = 865,792.04 × 340,906.83
  4. Step 4: Simplify right side
    627,386.72x = 295,154,416,761.98
  5. Step 5: Solve for x
    x = 295,154,416,761.98/627,386.72
  6. Step 6: Final answer
    x = 470,450.54

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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.