Home / 428,252.06-590,992.90-234,665.30

Finding the Fourth Proportional to 428,252.06, 590,992.90 and 234,665.30

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Solution

The fourth proportional to 428,252.06, 590,992.90 and 234,665.30 is: 323,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,252.06 : 590,992.90 = 234,665.30 : x
  2. Step 2: Convert to fraction form
    428,252.06/590,992.90 = 234,665.30/x
  3. Step 3: Cross multiply
    428,252.06x = 590,992.90 × 234,665.30
  4. Step 4: Simplify right side
    428,252.06x = 138,685,526,176.37
  5. Step 5: Solve for x
    x = 138,685,526,176.37/428,252.06
  6. Step 6: Final answer
    x = 323,840.89

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1.5x scale

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.