Home / 428,040.82-590,715.48-234,462.16

Finding the Fourth Proportional to 428,040.82, 590,715.48 and 234,462.16

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Solution

The fourth proportional to 428,040.82, 590,715.48 and 234,462.16 is: 323,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,040.82 : 590,715.48 = 234,462.16 : x
  2. Step 2: Convert to fraction form
    428,040.82/590,715.48 = 234,462.16/x
  3. Step 3: Cross multiply
    428,040.82x = 590,715.48 × 234,462.16
  4. Step 4: Simplify right side
    428,040.82x = 138,500,427,386.24
  5. Step 5: Solve for x
    x = 138,500,427,386.24/428,040.82
  6. Step 6: Final answer
    x = 323,568.27

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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.