Home / 428,091.06-590,769.98-258,292.38

Finding the Fourth Proportional to 428,091.06, 590,769.98 and 258,292.38

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Solution

The fourth proportional to 428,091.06, 590,769.98 and 258,292.38 is: 356,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,091.06 : 590,769.98 = 258,292.38 : x
  2. Step 2: Convert to fraction form
    428,091.06/590,769.98 = 258,292.38/x
  3. Step 3: Cross multiply
    428,091.06x = 590,769.98 × 258,292.38
  4. Step 4: Simplify right side
    428,091.06x = 152,591,382,875.29
  5. Step 5: Solve for x
    x = 152,591,382,875.29/428,091.06
  6. Step 6: Final answer
    x = 356,446.09

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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.