Home / 797,286.40-1,097,932.80-645,222.40

Finding the Fourth Proportional to 797,286.40, 1,097,932.80 and 645,222.40

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Solution

The fourth proportional to 797,286.40, 1,097,932.80 and 645,222.40 is: 888,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,286.40 : 1,097,932.80 = 645,222.40 : x
  2. Step 2: Convert to fraction form
    797,286.40/1,097,932.80 = 645,222.40/x
  3. Step 3: Cross multiply
    797,286.40x = 1,097,932.80 × 645,222.40
  4. Step 4: Simplify right side
    797,286.40x = 708,410,836,254.72
  5. Step 5: Solve for x
    x = 708,410,836,254.72/797,286.40
  6. Step 6: Final answer
    x = 888,527.43

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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.