Home / 891,857.60-1,231,147.44-547,749.32

Finding the Fourth Proportional to 891,857.60, 1,231,147.44 and 547,749.32

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Solution

The fourth proportional to 891,857.60, 1,231,147.44 and 547,749.32 is: 756,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,857.60 : 1,231,147.44 = 547,749.32 : x
  2. Step 2: Convert to fraction form
    891,857.60/1,231,147.44 = 547,749.32/x
  3. Step 3: Cross multiply
    891,857.60x = 1,231,147.44 × 547,749.32
  4. Step 4: Simplify right side
    891,857.60x = 674,360,173,079.74
  5. Step 5: Solve for x
    x = 674,360,173,079.74/891,857.60
  6. Step 6: Final answer
    x = 756,129.87

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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.