Home / 816,014.30-1,224,021.45-255,047.90

Finding the Fourth Proportional to 816,014.30, 1,224,021.45 and 255,047.90

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Solution

The fourth proportional to 816,014.30, 1,224,021.45 and 255,047.90 is: 382,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,014.30 : 1,224,021.45 = 255,047.90 : x
  2. Step 2: Convert to fraction form
    816,014.30/1,224,021.45 = 255,047.90/x
  3. Step 3: Cross multiply
    816,014.30x = 1,224,021.45 × 255,047.90
  4. Step 4: Simplify right side
    816,014.30x = 312,184,100,377.46
  5. Step 5: Solve for x
    x = 312,184,100,377.46/816,014.30
  6. Step 6: Final answer
    x = 382,571.85

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Similar ratio
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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.