Home / 902,870.55-1,246,119.64-685,797.75

Finding the Fourth Proportional to 902,870.55, 1,246,119.64 and 685,797.75

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Solution

The fourth proportional to 902,870.55, 1,246,119.64 and 685,797.75 is: 946,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,870.55 : 1,246,119.64 = 685,797.75 : x
  2. Step 2: Convert to fraction form
    902,870.55/1,246,119.64 = 685,797.75/x
  3. Step 3: Cross multiply
    902,870.55x = 1,246,119.64 × 685,797.75
  4. Step 4: Simplify right side
    902,870.55x = 854,586,043,628.32
  5. Step 5: Solve for x
    x = 854,586,043,628.32/902,870.55
  6. Step 6: Final answer
    x = 946,521.12

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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.