Home / 698,792.82-1,048,239.30-186,455.28

Finding the Fourth Proportional to 698,792.82, 1,048,239.30 and 186,455.28

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Solution

The fourth proportional to 698,792.82, 1,048,239.30 and 186,455.28 is: 279,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,792.82 : 1,048,239.30 = 186,455.28 : x
  2. Step 2: Convert to fraction form
    698,792.82/1,048,239.30 = 186,455.28/x
  3. Step 3: Cross multiply
    698,792.82x = 1,048,239.30 × 186,455.28
  4. Step 4: Simplify right side
    698,792.82x = 195,449,752,188.50
  5. Step 5: Solve for x
    x = 195,449,752,188.50/698,792.82
  6. Step 6: Final answer
    x = 279,696.28

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Double scale
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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.