Home / 892,131.55-1,231,142.53-484,233.28

Finding the Fourth Proportional to 892,131.55, 1,231,142.53 and 484,233.28

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Solution

The fourth proportional to 892,131.55, 1,231,142.53 and 484,233.28 is: 668,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,131.55 : 1,231,142.53 = 484,233.28 : x
  2. Step 2: Convert to fraction form
    892,131.55/1,231,142.53 = 484,233.28/x
  3. Step 3: Cross multiply
    892,131.55x = 1,231,142.53 × 484,233.28
  4. Step 4: Simplify right side
    892,131.55x = 596,160,186,659.98
  5. Step 5: Solve for x
    x = 596,160,186,659.98/892,131.55
  6. Step 6: Final answer
    x = 668,242.47

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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.