Home / 825,664.80-1,238,205.60-293,203.20

Finding the Fourth Proportional to 825,664.80, 1,238,205.60 and 293,203.20

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Solution

The fourth proportional to 825,664.80, 1,238,205.60 and 293,203.20 is: 439,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,664.80 : 1,238,205.60 = 293,203.20 : x
  2. Step 2: Convert to fraction form
    825,664.80/1,238,205.60 = 293,203.20/x
  3. Step 3: Cross multiply
    825,664.80x = 1,238,205.60 × 293,203.20
  4. Step 4: Simplify right side
    825,664.80x = 363,045,844,177.92
  5. Step 5: Solve for x
    x = 363,045,844,177.92/825,664.80
  6. Step 6: Final answer
    x = 439,701.25

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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.