Home / 809,177.16-1,213,824.24-310,541.16

Finding the Fourth Proportional to 809,177.16, 1,213,824.24 and 310,541.16

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Solution

The fourth proportional to 809,177.16, 1,213,824.24 and 310,541.16 is: 465,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,177.16 : 1,213,824.24 = 310,541.16 : x
  2. Step 2: Convert to fraction form
    809,177.16/1,213,824.24 = 310,541.16/x
  3. Step 3: Cross multiply
    809,177.16x = 1,213,824.24 × 310,541.16
  4. Step 4: Simplify right side
    809,177.16x = 376,942,387,525.72
  5. Step 5: Solve for x
    x = 376,942,387,525.72/809,177.16
  6. Step 6: Final answer
    x = 465,834.19

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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.