Home / 757,818.52-1,045,789.62-418,286.84

Finding the Fourth Proportional to 757,818.52, 1,045,789.62 and 418,286.84

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Solution

The fourth proportional to 757,818.52, 1,045,789.62 and 418,286.84 is: 577,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,818.52 : 1,045,789.62 = 418,286.84 : x
  2. Step 2: Convert to fraction form
    757,818.52/1,045,789.62 = 418,286.84/x
  3. Step 3: Cross multiply
    757,818.52x = 1,045,789.62 × 418,286.84
  4. Step 4: Simplify right side
    757,818.52x = 437,440,035,454.60
  5. Step 5: Solve for x
    x = 437,440,035,454.60/757,818.52
  6. Step 6: Final answer
    x = 577,235.87

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Double scale
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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.