Home / 672,990.27-1,009,676.07-273,917.40

Finding the Fourth Proportional to 672,990.27, 1,009,676.07 and 273,917.40

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Solution

The fourth proportional to 672,990.27, 1,009,676.07 and 273,917.40 is: 410,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,990.27 : 1,009,676.07 = 273,917.40 : x
  2. Step 2: Convert to fraction form
    672,990.27/1,009,676.07 = 273,917.40/x
  3. Step 3: Cross multiply
    672,990.27x = 1,009,676.07 × 273,917.40
  4. Step 4: Simplify right side
    672,990.27x = 276,567,843,936.62
  5. Step 5: Solve for x
    x = 276,567,843,936.62/672,990.27
  6. Step 6: Final answer
    x = 410,953.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.