Home / 840,157.92-1,260,237.18-209,071.73

Finding the Fourth Proportional to 840,157.92, 1,260,237.18 and 209,071.73

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Solution

The fourth proportional to 840,157.92, 1,260,237.18 and 209,071.73 is: 313,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,157.92 : 1,260,237.18 = 209,071.73 : x
  2. Step 2: Convert to fraction form
    840,157.92/1,260,237.18 = 209,071.73/x
  3. Step 3: Cross multiply
    840,157.92x = 1,260,237.18 × 209,071.73
  4. Step 4: Simplify right side
    840,157.92x = 263,479,971,367.53
  5. Step 5: Solve for x
    x = 263,479,971,367.53/840,157.92
  6. Step 6: Final answer
    x = 313,607.67

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Double scale
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Similar ratio
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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.