Home / 720,917.47-1,081,450.17-272,016.08

Finding the Fourth Proportional to 720,917.47, 1,081,450.17 and 272,016.08

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Solution

The fourth proportional to 720,917.47, 1,081,450.17 and 272,016.08 is: 408,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,917.47 : 1,081,450.17 = 272,016.08 : x
  2. Step 2: Convert to fraction form
    720,917.47/1,081,450.17 = 272,016.08/x
  3. Step 3: Cross multiply
    720,917.47x = 1,081,450.17 × 272,016.08
  4. Step 4: Simplify right side
    720,917.47x = 294,171,834,606.92
  5. Step 5: Solve for x
    x = 294,171,834,606.92/720,917.47
  6. Step 6: Final answer
    x = 408,052.03

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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.