Home / 422,719.04-583,352.80-231,739.36

Finding the Fourth Proportional to 422,719.04, 583,352.80 and 231,739.36

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Solution

The fourth proportional to 422,719.04, 583,352.80 and 231,739.36 is: 319,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,719.04 : 583,352.80 = 231,739.36 : x
  2. Step 2: Convert to fraction form
    422,719.04/583,352.80 = 231,739.36/x
  3. Step 3: Cross multiply
    422,719.04x = 583,352.80 × 231,739.36
  4. Step 4: Simplify right side
    422,719.04x = 135,185,804,526.21
  5. Step 5: Solve for x
    x = 135,185,804,526.21/422,719.04
  6. Step 6: Final answer
    x = 319,800.60

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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.