Home / 946,921.88-1,420,582.30-307,175.66

Finding the Fourth Proportional to 946,921.88, 1,420,582.30 and 307,175.66

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Solution

The fourth proportional to 946,921.88, 1,420,582.30 and 307,175.66 is: 460,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,921.88 : 1,420,582.30 = 307,175.66 : x
  2. Step 2: Convert to fraction form
    946,921.88/1,420,582.30 = 307,175.66/x
  3. Step 3: Cross multiply
    946,921.88x = 1,420,582.30 × 307,175.66
  4. Step 4: Simplify right side
    946,921.88x = 436,368,305,586.82
  5. Step 5: Solve for x
    x = 436,368,305,586.82/946,921.88
  6. Step 6: Final answer
    x = 460,828.20

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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.