Home / 677,163.88-1,015,960.38-407,587.24

Finding the Fourth Proportional to 677,163.88, 1,015,960.38 and 407,587.24

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Solution

The fourth proportional to 677,163.88, 1,015,960.38 and 407,587.24 is: 611,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,163.88 : 1,015,960.38 = 407,587.24 : x
  2. Step 2: Convert to fraction form
    677,163.88/1,015,960.38 = 407,587.24/x
  3. Step 3: Cross multiply
    677,163.88x = 1,015,960.38 × 407,587.24
  4. Step 4: Simplify right side
    677,163.88x = 414,092,487,233.55
  5. Step 5: Solve for x
    x = 414,092,487,233.55/677,163.88
  6. Step 6: Final answer
    x = 611,510.00

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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.