Home / 816,021.95-1,126,213.85-493,734.70

Finding the Fourth Proportional to 816,021.95, 1,126,213.85 and 493,734.70

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Solution

The fourth proportional to 816,021.95, 1,126,213.85 and 493,734.70 is: 681,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,021.95 : 1,126,213.85 = 493,734.70 : x
  2. Step 2: Convert to fraction form
    816,021.95/1,126,213.85 = 493,734.70/x
  3. Step 3: Cross multiply
    816,021.95x = 1,126,213.85 × 493,734.70
  4. Step 4: Simplify right side
    816,021.95x = 556,050,856,575.00
  5. Step 5: Solve for x
    x = 556,050,856,575.00/816,021.95
  6. Step 6: Final answer
    x = 681,416.54

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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.