Home / 694,611.10-1,041,260.55-410,519.80

Finding the Fourth Proportional to 694,611.10, 1,041,260.55 and 410,519.80

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Solution

The fourth proportional to 694,611.10, 1,041,260.55 and 410,519.80 is: 615,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,611.10 : 1,041,260.55 = 410,519.80 : x
  2. Step 2: Convert to fraction form
    694,611.10/1,041,260.55 = 410,519.80/x
  3. Step 3: Cross multiply
    694,611.10x = 1,041,260.55 × 410,519.80
  4. Step 4: Simplify right side
    694,611.10x = 427,458,072,733.89
  5. Step 5: Solve for x
    x = 427,458,072,733.89/694,611.10
  6. Step 6: Final answer
    x = 615,391.94

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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.