Home / 801,769.64-1,106,405.87-479,657.34

Finding the Fourth Proportional to 801,769.64, 1,106,405.87 and 479,657.34

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Solution

The fourth proportional to 801,769.64, 1,106,405.87 and 479,657.34 is: 661,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,769.64 : 1,106,405.87 = 479,657.34 : x
  2. Step 2: Convert to fraction form
    801,769.64/1,106,405.87 = 479,657.34/x
  3. Step 3: Cross multiply
    801,769.64x = 1,106,405.87 × 479,657.34
  4. Step 4: Simplify right side
    801,769.64x = 530,695,694,166.30
  5. Step 5: Solve for x
    x = 530,695,694,166.30/801,769.64
  6. Step 6: Final answer
    x = 661,905.45

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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.