Home / 786,320.58-1,179,481.78-239,217.46

Finding the Fourth Proportional to 786,320.58, 1,179,481.78 and 239,217.46

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Solution

The fourth proportional to 786,320.58, 1,179,481.78 and 239,217.46 is: 358,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,320.58 : 1,179,481.78 = 239,217.46 : x
  2. Step 2: Convert to fraction form
    786,320.58/1,179,481.78 = 239,217.46/x
  3. Step 3: Cross multiply
    786,320.58x = 1,179,481.78 × 239,217.46
  4. Step 4: Simplify right side
    786,320.58x = 282,152,635,527.88
  5. Step 5: Solve for x
    x = 282,152,635,527.88/786,320.58
  6. Step 6: Final answer
    x = 358,826.47

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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.