Home / 891,177.66-1,229,825.48-483,279.38

Finding the Fourth Proportional to 891,177.66, 1,229,825.48 and 483,279.38

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Solution

The fourth proportional to 891,177.66, 1,229,825.48 and 483,279.38 is: 666,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,177.66 : 1,229,825.48 = 483,279.38 : x
  2. Step 2: Convert to fraction form
    891,177.66/1,229,825.48 = 483,279.38/x
  3. Step 3: Cross multiply
    891,177.66x = 1,229,825.48 × 483,279.38
  4. Step 4: Simplify right side
    891,177.66x = 594,349,289,333.48
  5. Step 5: Solve for x
    x = 594,349,289,333.48/891,177.66
  6. Step 6: Final answer
    x = 666,925.71

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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.