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Finding the Fourth Proportional to 577,867.60, 866,218.20 and 262,550.80

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Solution

The fourth proportional to 577,867.60, 866,218.20 and 262,550.80 is: 393,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,867.60 : 866,218.20 = 262,550.80 : x
  2. Step 2: Convert to fraction form
    577,867.60/866,218.20 = 262,550.80/x
  3. Step 3: Cross multiply
    577,867.60x = 866,218.20 × 262,550.80
  4. Step 4: Simplify right side
    577,867.60x = 227,426,281,384.56
  5. Step 5: Solve for x
    x = 227,426,281,384.56/577,867.60
  6. Step 6: Final answer
    x = 393,561.23

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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.