Home / 731,481.78-1,096,225.65-447,271.50

Finding the Fourth Proportional to 731,481.78, 1,096,225.65 and 447,271.50

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Solution

The fourth proportional to 731,481.78, 1,096,225.65 and 447,271.50 is: 670,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,481.78 : 1,096,225.65 = 447,271.50 : x
  2. Step 2: Convert to fraction form
    731,481.78/1,096,225.65 = 447,271.50/x
  3. Step 3: Cross multiply
    731,481.78x = 1,096,225.65 × 447,271.50
  4. Step 4: Simplify right side
    731,481.78x = 490,310,490,813.98
  5. Step 5: Solve for x
    x = 490,310,490,813.98/731,481.78
  6. Step 6: Final answer
    x = 670,297.61

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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.