Home / 791,814.29-1,187,471.29-259,212.81

Finding the Fourth Proportional to 791,814.29, 1,187,471.29 and 259,212.81

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Solution

The fourth proportional to 791,814.29, 1,187,471.29 and 259,212.81 is: 388,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,814.29 : 1,187,471.29 = 259,212.81 : x
  2. Step 2: Convert to fraction form
    791,814.29/1,187,471.29 = 259,212.81/x
  3. Step 3: Cross multiply
    791,814.29x = 1,187,471.29 × 259,212.81
  4. Step 4: Simplify right side
    791,814.29x = 307,807,767,486.71
  5. Step 5: Solve for x
    x = 307,807,767,486.71/791,814.29
  6. Step 6: Final answer
    x = 388,737.33

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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.