Home / 830,398.74-1,245,773.43-269,389.86

Finding the Fourth Proportional to 830,398.74, 1,245,773.43 and 269,389.86

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Solution

The fourth proportional to 830,398.74, 1,245,773.43 and 269,389.86 is: 404,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,398.74 : 1,245,773.43 = 269,389.86 : x
  2. Step 2: Convert to fraction form
    830,398.74/1,245,773.43 = 269,389.86/x
  3. Step 3: Cross multiply
    830,398.74x = 1,245,773.43 × 269,389.86
  4. Step 4: Simplify right side
    830,398.74x = 335,598,729,899.42
  5. Step 5: Solve for x
    x = 335,598,729,899.42/830,398.74
  6. Step 6: Final answer
    x = 404,141.67

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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.