Home / 801,856.84-1,106,142.88-495,835.40

Finding the Fourth Proportional to 801,856.84, 1,106,142.88 and 495,835.40

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Solution

The fourth proportional to 801,856.84, 1,106,142.88 and 495,835.40 is: 683,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,856.84 : 1,106,142.88 = 495,835.40 : x
  2. Step 2: Convert to fraction form
    801,856.84/1,106,142.88 = 495,835.40/x
  3. Step 3: Cross multiply
    801,856.84x = 1,106,142.88 × 495,835.40
  4. Step 4: Simplify right side
    801,856.84x = 548,464,797,361.95
  5. Step 5: Solve for x
    x = 548,464,797,361.95/801,856.84
  6. Step 6: Final answer
    x = 683,993.41

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1.5x scale

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.