Home / 693,545.06-1,040,314.34-220,266.92

Finding the Fourth Proportional to 693,545.06, 1,040,314.34 and 220,266.92

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Solution

The fourth proportional to 693,545.06, 1,040,314.34 and 220,266.92 is: 330,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,545.06 : 1,040,314.34 = 220,266.92 : x
  2. Step 2: Convert to fraction form
    693,545.06/1,040,314.34 = 220,266.92/x
  3. Step 3: Cross multiply
    693,545.06x = 1,040,314.34 × 220,266.92
  4. Step 4: Simplify right side
    693,545.06x = 229,146,835,503.63
  5. Step 5: Solve for x
    x = 229,146,835,503.63/693,545.06
  6. Step 6: Final answer
    x = 330,399.35

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Double scale
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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.