Home / 842,184.20-1,263,381.14-329,783.20

Finding the Fourth Proportional to 842,184.20, 1,263,381.14 and 329,783.20

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Solution

The fourth proportional to 842,184.20, 1,263,381.14 and 329,783.20 is: 494,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,184.20 : 1,263,381.14 = 329,783.20 : x
  2. Step 2: Convert to fraction form
    842,184.20/1,263,381.14 = 329,783.20/x
  3. Step 3: Cross multiply
    842,184.20x = 1,263,381.14 × 329,783.20
  4. Step 4: Simplify right side
    842,184.20x = 416,641,872,834.85
  5. Step 5: Solve for x
    x = 416,641,872,834.85/842,184.20
  6. Step 6: Final answer
    x = 494,715.85

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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.