Home / 695,956.50-1,043,188.47-455,979.78

Finding the Fourth Proportional to 695,956.50, 1,043,188.47 and 455,979.78

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Solution

The fourth proportional to 695,956.50, 1,043,188.47 and 455,979.78 is: 683,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,956.50 : 1,043,188.47 = 455,979.78 : x
  2. Step 2: Convert to fraction form
    695,956.50/1,043,188.47 = 455,979.78/x
  3. Step 3: Cross multiply
    695,956.50x = 1,043,188.47 × 455,979.78
  4. Step 4: Simplify right side
    695,956.50x = 475,672,849,049.14
  5. Step 5: Solve for x
    x = 475,672,849,049.14/695,956.50
  6. Step 6: Final answer
    x = 683,480.72

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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.