Home / 892,148.28-1,231,131.45-484,241.37

Finding the Fourth Proportional to 892,148.28, 1,231,131.45 and 484,241.37

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Solution

The fourth proportional to 892,148.28, 1,231,131.45 and 484,241.37 is: 668,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,148.28 : 1,231,131.45 = 484,241.37 : x
  2. Step 2: Convert to fraction form
    892,148.28/1,231,131.45 = 484,241.37/x
  3. Step 3: Cross multiply
    892,148.28x = 1,231,131.45 × 484,241.37
  4. Step 4: Simplify right side
    892,148.28x = 596,164,779,998.09
  5. Step 5: Solve for x
    x = 596,164,779,998.09/892,148.28
  6. Step 6: Final answer
    x = 668,235.08

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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.