Home / 779,019.87-1,168,658.94-273,449.66

Finding the Fourth Proportional to 779,019.87, 1,168,658.94 and 273,449.66

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Solution

The fourth proportional to 779,019.87, 1,168,658.94 and 273,449.66 is: 410,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,019.87 : 1,168,658.94 = 273,449.66 : x
  2. Step 2: Convert to fraction form
    779,019.87/1,168,658.94 = 273,449.66/x
  3. Step 3: Cross multiply
    779,019.87x = 1,168,658.94 × 273,449.66
  4. Step 4: Simplify right side
    779,019.87x = 319,569,389,798.96
  5. Step 5: Solve for x
    x = 319,569,389,798.96/779,019.87
  6. Step 6: Final answer
    x = 410,219.82

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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.