Home / 673,270.40-929,195.46-386,789.96

Finding the Fourth Proportional to 673,270.40, 929,195.46 and 386,789.96

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Solution

The fourth proportional to 673,270.40, 929,195.46 and 386,789.96 is: 533,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,270.40 : 929,195.46 = 386,789.96 : x
  2. Step 2: Convert to fraction form
    673,270.40/929,195.46 = 386,789.96/x
  3. Step 3: Cross multiply
    673,270.40x = 929,195.46 × 386,789.96
  4. Step 4: Simplify right side
    673,270.40x = 359,403,474,805.58
  5. Step 5: Solve for x
    x = 359,403,474,805.58/673,270.40
  6. Step 6: Final answer
    x = 533,817.43

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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.