Home / 822,781.85-1,233,362.99-480,791.24

Finding the Fourth Proportional to 822,781.85, 1,233,362.99 and 480,791.24

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Solution

The fourth proportional to 822,781.85, 1,233,362.99 and 480,791.24 is: 720,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,781.85 : 1,233,362.99 = 480,791.24 : x
  2. Step 2: Convert to fraction form
    822,781.85/1,233,362.99 = 480,791.24/x
  3. Step 3: Cross multiply
    822,781.85x = 1,233,362.99 × 480,791.24
  4. Step 4: Simplify right side
    822,781.85x = 592,990,120,731.22
  5. Step 5: Solve for x
    x = 592,990,120,731.22/822,781.85
  6. Step 6: Final answer
    x = 720,713.67

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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.