Home / 863,476.40-1,295,205.96-484,396.40

Finding the Fourth Proportional to 863,476.40, 1,295,205.96 and 484,396.40

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Solution

The fourth proportional to 863,476.40, 1,295,205.96 and 484,396.40 is: 726,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,476.40 : 1,295,205.96 = 484,396.40 : x
  2. Step 2: Convert to fraction form
    863,476.40/1,295,205.96 = 484,396.40/x
  3. Step 3: Cross multiply
    863,476.40x = 1,295,205.96 × 484,396.40
  4. Step 4: Simplify right side
    863,476.40x = 627,393,104,282.54
  5. Step 5: Solve for x
    x = 627,393,104,282.54/863,476.40
  6. Step 6: Final answer
    x = 726,589.75

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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.