Home / 786,245.27-1,177,595.82-550,639.76

Finding the Fourth Proportional to 786,245.27, 1,177,595.82 and 550,639.76

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Solution

The fourth proportional to 786,245.27, 1,177,595.82 and 550,639.76 is: 824,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,245.27 : 1,177,595.82 = 550,639.76 : x
  2. Step 2: Convert to fraction form
    786,245.27/1,177,595.82 = 550,639.76/x
  3. Step 3: Cross multiply
    786,245.27x = 1,177,595.82 × 550,639.76
  4. Step 4: Simplify right side
    786,245.27x = 648,431,073,813.82
  5. Step 5: Solve for x
    x = 648,431,073,813.82/786,245.27
  6. Step 6: Final answer
    x = 824,718.57

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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.