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Finding the Fourth Proportional to 577,770.40, 867,167.60 and 340,816.80

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Solution

The fourth proportional to 577,770.40, 867,167.60 and 340,816.80 is: 511,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,770.40 : 867,167.60 = 340,816.80 : x
  2. Step 2: Convert to fraction form
    577,770.40/867,167.60 = 340,816.80/x
  3. Step 3: Cross multiply
    577,770.40x = 867,167.60 × 340,816.80
  4. Step 4: Simplify right side
    577,770.40x = 295,545,286,495.68
  5. Step 5: Solve for x
    x = 295,545,286,495.68/577,770.40
  6. Step 6: Final answer
    x = 511,527.22

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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.