Home / 825,904.56-1,238,740.20-264,866.16

Finding the Fourth Proportional to 825,904.56, 1,238,740.20 and 264,866.16

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Solution

The fourth proportional to 825,904.56, 1,238,740.20 and 264,866.16 is: 397,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,904.56 : 1,238,740.20 = 264,866.16 : x
  2. Step 2: Convert to fraction form
    825,904.56/1,238,740.20 = 264,866.16/x
  3. Step 3: Cross multiply
    825,904.56x = 1,238,740.20 × 264,866.16
  4. Step 4: Simplify right side
    825,904.56x = 328,100,360,011.63
  5. Step 5: Solve for x
    x = 328,100,360,011.63/825,904.56
  6. Step 6: Final answer
    x = 397,261.83

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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.