Home / 661,607.46-992,739.11-262,239.38

Finding the Fourth Proportional to 661,607.46, 992,739.11 and 262,239.38

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Solution

The fourth proportional to 661,607.46, 992,739.11 and 262,239.38 is: 393,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,607.46 : 992,739.11 = 262,239.38 : x
  2. Step 2: Convert to fraction form
    661,607.46/992,739.11 = 262,239.38/x
  3. Step 3: Cross multiply
    661,607.46x = 992,739.11 × 262,239.38
  4. Step 4: Simplify right side
    661,607.46x = 260,335,288,708.15
  5. Step 5: Solve for x
    x = 260,335,288,708.15/661,607.46
  6. Step 6: Final answer
    x = 393,489.05

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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.