Home / 786,358.68-1,179,536.03-217,737.88

Finding the Fourth Proportional to 786,358.68, 1,179,536.03 and 217,737.88

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Solution

The fourth proportional to 786,358.68, 1,179,536.03 and 217,737.88 is: 326,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,358.68 : 1,179,536.03 = 217,737.88 : x
  2. Step 2: Convert to fraction form
    786,358.68/1,179,536.03 = 217,737.88/x
  3. Step 3: Cross multiply
    786,358.68x = 1,179,536.03 × 217,737.88
  4. Step 4: Simplify right side
    786,358.68x = 256,829,672,317.26
  5. Step 5: Solve for x
    x = 256,829,672,317.26/786,358.68
  6. Step 6: Final answer
    x = 326,606.27

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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.