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Finding the Fourth Proportional to 555,375.87, 831,970.29 and 352,345.71

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Solution

The fourth proportional to 555,375.87, 831,970.29 and 352,345.71 is: 527,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,375.87 : 831,970.29 = 352,345.71 : x
  2. Step 2: Convert to fraction form
    555,375.87/831,970.29 = 352,345.71/x
  3. Step 3: Cross multiply
    555,375.87x = 831,970.29 × 352,345.71
  4. Step 4: Simplify right side
    555,375.87x = 293,141,162,528.96
  5. Step 5: Solve for x
    x = 293,141,162,528.96/555,375.87
  6. Step 6: Final answer
    x = 527,824.81

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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.