Home / 557,921.55-769,932.24-303,272.74

Finding the Fourth Proportional to 557,921.55, 769,932.24 and 303,272.74

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Solution

The fourth proportional to 557,921.55, 769,932.24 and 303,272.74 is: 418,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,921.55 : 769,932.24 = 303,272.74 : x
  2. Step 2: Convert to fraction form
    557,921.55/769,932.24 = 303,272.74/x
  3. Step 3: Cross multiply
    557,921.55x = 769,932.24 × 303,272.74
  4. Step 4: Simplify right side
    557,921.55x = 233,499,460,039.14
  5. Step 5: Solve for x
    x = 233,499,460,039.14/557,921.55
  6. Step 6: Final answer
    x = 418,516.65

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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.