Home / 801,961.04-1,203,210.11-262,242.21

Finding the Fourth Proportional to 801,961.04, 1,203,210.11 and 262,242.21

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Solution

The fourth proportional to 801,961.04, 1,203,210.11 and 262,242.21 is: 393,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,961.04 : 1,203,210.11 = 262,242.21 : x
  2. Step 2: Convert to fraction form
    801,961.04/1,203,210.11 = 262,242.21/x
  3. Step 3: Cross multiply
    801,961.04x = 1,203,210.11 × 262,242.21
  4. Step 4: Simplify right side
    801,961.04x = 315,532,478,340.74
  5. Step 5: Solve for x
    x = 315,532,478,340.74/801,961.04
  6. Step 6: Final answer
    x = 393,451.13

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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.