Home / 752,986.08-1,122,836.76-648,476.64

Finding the Fourth Proportional to 752,986.08, 1,122,836.76 and 648,476.64

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Solution

The fourth proportional to 752,986.08, 1,122,836.76 and 648,476.64 is: 966,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,986.08 : 1,122,836.76 = 648,476.64 : x
  2. Step 2: Convert to fraction form
    752,986.08/1,122,836.76 = 648,476.64/x
  3. Step 3: Cross multiply
    752,986.08x = 1,122,836.76 × 648,476.64
  4. Step 4: Simplify right side
    752,986.08x = 728,133,409,393.29
  5. Step 5: Solve for x
    x = 728,133,409,393.29/752,986.08
  6. Step 6: Final answer
    x = 966,994.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.