Home / 899,755.48-1,241,662.65-491,859.14

Finding the Fourth Proportional to 899,755.48, 1,241,662.65 and 491,859.14

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Solution

The fourth proportional to 899,755.48, 1,241,662.65 and 491,859.14 is: 678,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,755.48 : 1,241,662.65 = 491,859.14 : x
  2. Step 2: Convert to fraction form
    899,755.48/1,241,662.65 = 491,859.14/x
  3. Step 3: Cross multiply
    899,755.48x = 1,241,662.65 × 491,859.14
  4. Step 4: Simplify right side
    899,755.48x = 610,723,126,303.28
  5. Step 5: Solve for x
    x = 610,723,126,303.28/899,755.48
  6. Step 6: Final answer
    x = 678,765.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.