Home / 743,231.70-1,114,847.55-210,745.80

Finding the Fourth Proportional to 743,231.70, 1,114,847.55 and 210,745.80

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Solution

The fourth proportional to 743,231.70, 1,114,847.55 and 210,745.80 is: 316,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,231.70 : 1,114,847.55 = 210,745.80 : x
  2. Step 2: Convert to fraction form
    743,231.70/1,114,847.55 = 210,745.80/x
  3. Step 3: Cross multiply
    743,231.70x = 1,114,847.55 × 210,745.80
  4. Step 4: Simplify right side
    743,231.70x = 234,949,438,802.79
  5. Step 5: Solve for x
    x = 234,949,438,802.79/743,231.70
  6. Step 6: Final answer
    x = 316,118.70

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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.