Home / 946,921.28-1,420,581.41-307,175.06

Finding the Fourth Proportional to 946,921.28, 1,420,581.41 and 307,175.06

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Solution

The fourth proportional to 946,921.28, 1,420,581.41 and 307,175.06 is: 460,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,921.28 : 1,420,581.41 = 307,175.06 : x
  2. Step 2: Convert to fraction form
    946,921.28/1,420,581.41 = 307,175.06/x
  3. Step 3: Cross multiply
    946,921.28x = 1,420,581.41 × 307,175.06
  4. Step 4: Simplify right side
    946,921.28x = 436,367,181,867.21
  5. Step 5: Solve for x
    x = 436,367,181,867.21/946,921.28
  6. Step 6: Final answer
    x = 460,827.31

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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.