Home / 693,632.16-1,040,393.57-220,321.62

Finding the Fourth Proportional to 693,632.16, 1,040,393.57 and 220,321.62

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Solution

The fourth proportional to 693,632.16, 1,040,393.57 and 220,321.62 is: 330,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,632.16 : 1,040,393.57 = 220,321.62 : x
  2. Step 2: Convert to fraction form
    693,632.16/1,040,393.57 = 220,321.62/x
  3. Step 3: Cross multiply
    693,632.16x = 1,040,393.57 × 220,321.62
  4. Step 4: Simplify right side
    693,632.16x = 229,221,195,678.38
  5. Step 5: Solve for x
    x = 229,221,195,678.38/693,632.16
  6. Step 6: Final answer
    x = 330,465.06

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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.