Home / 476,627.12-657,742.88-258,833.92

Finding the Fourth Proportional to 476,627.12, 657,742.88 and 258,833.92

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Solution

The fourth proportional to 476,627.12, 657,742.88 and 258,833.92 is: 357,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,627.12 : 657,742.88 = 258,833.92 : x
  2. Step 2: Convert to fraction form
    476,627.12/657,742.88 = 258,833.92/x
  3. Step 3: Cross multiply
    476,627.12x = 657,742.88 × 258,833.92
  4. Step 4: Simplify right side
    476,627.12x = 170,246,167,982.49
  5. Step 5: Solve for x
    x = 170,246,167,982.49/476,627.12
  6. Step 6: Final answer
    x = 357,189.43

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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.