Home / 711,043.92-1,066,672.08-261,730.64

Finding the Fourth Proportional to 711,043.92, 1,066,672.08 and 261,730.64

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Solution

The fourth proportional to 711,043.92, 1,066,672.08 and 261,730.64 is: 392,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,043.92 : 1,066,672.08 = 261,730.64 : x
  2. Step 2: Convert to fraction form
    711,043.92/1,066,672.08 = 261,730.64/x
  3. Step 3: Cross multiply
    711,043.92x = 1,066,672.08 × 261,730.64
  4. Step 4: Simplify right side
    711,043.92x = 279,180,760,835.17
  5. Step 5: Solve for x
    x = 279,180,760,835.17/711,043.92
  6. Step 6: Final answer
    x = 392,635.04

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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.