Home / 891,225.30-1,336,247.55-492,057.30

Finding the Fourth Proportional to 891,225.30, 1,336,247.55 and 492,057.30

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Solution

The fourth proportional to 891,225.30, 1,336,247.55 and 492,057.30 is: 737,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,225.30 : 1,336,247.55 = 492,057.30 : x
  2. Step 2: Convert to fraction form
    891,225.30/1,336,247.55 = 492,057.30/x
  3. Step 3: Cross multiply
    891,225.30x = 1,336,247.55 × 492,057.30
  4. Step 4: Simplify right side
    891,225.30x = 657,510,361,584.62
  5. Step 5: Solve for x
    x = 657,510,361,584.62/891,225.30
  6. Step 6: Final answer
    x = 737,759.98

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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.