Home / 809,473.36-1,214,268.72-310,837.36

Finding the Fourth Proportional to 809,473.36, 1,214,268.72 and 310,837.36

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Solution

The fourth proportional to 809,473.36, 1,214,268.72 and 310,837.36 is: 466,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,473.36 : 1,214,268.72 = 310,837.36 : x
  2. Step 2: Convert to fraction form
    809,473.36/1,214,268.72 = 310,837.36/x
  3. Step 3: Cross multiply
    809,473.36x = 1,214,268.72 × 310,837.36
  4. Step 4: Simplify right side
    809,473.36x = 377,440,083,255.38
  5. Step 5: Solve for x
    x = 377,440,083,255.38/809,473.36
  6. Step 6: Final answer
    x = 466,278.57

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1.5x scale

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.