Home / 854,007.51-1,281,011.27-222,921.93

Finding the Fourth Proportional to 854,007.51, 1,281,011.27 and 222,921.93

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Solution

The fourth proportional to 854,007.51, 1,281,011.27 and 222,921.93 is: 334,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,007.51 : 1,281,011.27 = 222,921.93 : x
  2. Step 2: Convert to fraction form
    854,007.51/1,281,011.27 = 222,921.93/x
  3. Step 3: Cross multiply
    854,007.51x = 1,281,011.27 × 222,921.93
  4. Step 4: Simplify right side
    854,007.51x = 285,565,503,545.54
  5. Step 5: Solve for x
    x = 285,565,503,545.54/854,007.51
  6. Step 6: Final answer
    x = 334,382.90

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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.