Home / 817,797.64-1,226,947.46-418,718.60

Finding the Fourth Proportional to 817,797.64, 1,226,947.46 and 418,718.60

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Solution

The fourth proportional to 817,797.64, 1,226,947.46 and 418,718.60 is: 628,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,797.64 : 1,226,947.46 = 418,718.60 : x
  2. Step 2: Convert to fraction form
    817,797.64/1,226,947.46 = 418,718.60/x
  3. Step 3: Cross multiply
    817,797.64x = 1,226,947.46 × 418,718.60
  4. Step 4: Simplify right side
    817,797.64x = 513,745,723,698.53
  5. Step 5: Solve for x
    x = 513,745,723,698.53/817,797.64
  6. Step 6: Final answer
    x = 628,206.42

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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.