Home / 786,826.56-1,179,950.66-281,251.08

Finding the Fourth Proportional to 786,826.56, 1,179,950.66 and 281,251.08

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Solution

The fourth proportional to 786,826.56, 1,179,950.66 and 281,251.08 is: 421,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,826.56 : 1,179,950.66 = 281,251.08 : x
  2. Step 2: Convert to fraction form
    786,826.56/1,179,950.66 = 281,251.08/x
  3. Step 3: Cross multiply
    786,826.56x = 1,179,950.66 × 281,251.08
  4. Step 4: Simplify right side
    786,826.56x = 331,862,397,471.71
  5. Step 5: Solve for x
    x = 331,862,397,471.71/786,826.56
  6. Step 6: Final answer
    x = 421,773.25

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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.