Home / 774,639.04-1,162,145.40-269,126.40

Finding the Fourth Proportional to 774,639.04, 1,162,145.40 and 269,126.40

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Solution

The fourth proportional to 774,639.04, 1,162,145.40 and 269,126.40 is: 403,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,639.04 : 1,162,145.40 = 269,126.40 : x
  2. Step 2: Convert to fraction form
    774,639.04/1,162,145.40 = 269,126.40/x
  3. Step 3: Cross multiply
    774,639.04x = 1,162,145.40 × 269,126.40
  4. Step 4: Simplify right side
    774,639.04x = 312,764,007,778.56
  5. Step 5: Solve for x
    x = 312,764,007,778.56/774,639.04
  6. Step 6: Final answer
    x = 403,754.51

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1.5x scale

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.