Home / 789,326.57-1,183,916.05-220,758.51

Finding the Fourth Proportional to 789,326.57, 1,183,916.05 and 220,758.51

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Solution

The fourth proportional to 789,326.57, 1,183,916.05 and 220,758.51 is: 331,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,326.57 : 1,183,916.05 = 220,758.51 : x
  2. Step 2: Convert to fraction form
    789,326.57/1,183,916.05 = 220,758.51/x
  3. Step 3: Cross multiply
    789,326.57x = 1,183,916.05 × 220,758.51
  4. Step 4: Simplify right side
    789,326.57x = 261,359,547,050.87
  5. Step 5: Solve for x
    x = 261,359,547,050.87/789,326.57
  6. Step 6: Final answer
    x = 331,117.13

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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.