Home / 892,126.30-1,231,135.54-484,228.22

Finding the Fourth Proportional to 892,126.30, 1,231,135.54 and 484,228.22

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Solution

The fourth proportional to 892,126.30, 1,231,135.54 and 484,228.22 is: 668,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,126.30 : 1,231,135.54 = 484,228.22 : x
  2. Step 2: Convert to fraction form
    892,126.30/1,231,135.54 = 484,228.22/x
  3. Step 3: Cross multiply
    892,126.30x = 1,231,135.54 × 484,228.22
  4. Step 4: Simplify right side
    892,126.30x = 596,150,572,980.21
  5. Step 5: Solve for x
    x = 596,150,572,980.21/892,126.30
  6. Step 6: Final answer
    x = 668,235.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.