Home / 787,820.88-1,087,270.38-482,035.08

Finding the Fourth Proportional to 787,820.88, 1,087,270.38 and 482,035.08

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Solution

The fourth proportional to 787,820.88, 1,087,270.38 and 482,035.08 is: 665,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,820.88 : 1,087,270.38 = 482,035.08 : x
  2. Step 2: Convert to fraction form
    787,820.88/1,087,270.38 = 482,035.08/x
  3. Step 3: Cross multiply
    787,820.88x = 1,087,270.38 × 482,035.08
  4. Step 4: Simplify right side
    787,820.88x = 524,102,464,604.93
  5. Step 5: Solve for x
    x = 524,102,464,604.93/787,820.88
  6. Step 6: Final answer
    x = 665,255.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.