Home / 693,574.90-1,040,391.15-220,246.90

Finding the Fourth Proportional to 693,574.90, 1,040,391.15 and 220,246.90

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Solution

The fourth proportional to 693,574.90, 1,040,391.15 and 220,246.90 is: 330,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,574.90 : 1,040,391.15 = 220,246.90 : x
  2. Step 2: Convert to fraction form
    693,574.90/1,040,391.15 = 220,246.90/x
  3. Step 3: Cross multiply
    693,574.90x = 1,040,391.15 × 220,246.90
  4. Step 4: Simplify right side
    693,574.90x = 229,142,925,574.94
  5. Step 5: Solve for x
    x = 229,142,925,574.94/693,574.90
  6. Step 6: Final answer
    x = 330,379.50

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Double scale
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Similar ratio
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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.