Home / 401,890.20-602,947.29-327,710.81

Finding the Fourth Proportional to 401,890.20, 602,947.29 and 327,710.81

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Solution

The fourth proportional to 401,890.20, 602,947.29 and 327,710.81 is: 491,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,890.20 : 602,947.29 = 327,710.81 : x
  2. Step 2: Convert to fraction form
    401,890.20/602,947.29 = 327,710.81/x
  3. Step 3: Cross multiply
    401,890.20x = 602,947.29 × 327,710.81
  4. Step 4: Simplify right side
    401,890.20x = 197,592,344,793.21
  5. Step 5: Solve for x
    x = 197,592,344,793.21/401,890.20
  6. Step 6: Final answer
    x = 491,657.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.