Home / 852,735.84-1,279,001.88-663,385.20

Finding the Fourth Proportional to 852,735.84, 1,279,001.88 and 663,385.20

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Solution

The fourth proportional to 852,735.84, 1,279,001.88 and 663,385.20 is: 994,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,735.84 : 1,279,001.88 = 663,385.20 : x
  2. Step 2: Convert to fraction form
    852,735.84/1,279,001.88 = 663,385.20/x
  3. Step 3: Cross multiply
    852,735.84x = 1,279,001.88 × 663,385.20
  4. Step 4: Simplify right side
    852,735.84x = 848,470,917,964.18
  5. Step 5: Solve for x
    x = 848,470,917,964.18/852,735.84
  6. Step 6: Final answer
    x = 994,998.54

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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.