Home / 907,704.06-1,252,581.46-499,789.68

Finding the Fourth Proportional to 907,704.06, 1,252,581.46 and 499,789.68

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Solution

The fourth proportional to 907,704.06, 1,252,581.46 and 499,789.68 is: 689,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,704.06 : 1,252,581.46 = 499,789.68 : x
  2. Step 2: Convert to fraction form
    907,704.06/1,252,581.46 = 499,789.68/x
  3. Step 3: Cross multiply
    907,704.06x = 1,252,581.46 × 499,789.68
  4. Step 4: Simplify right side
    907,704.06x = 626,027,287,067.33
  5. Step 5: Solve for x
    x = 626,027,287,067.33/907,704.06
  6. Step 6: Final answer
    x = 689,682.15

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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.