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Finding the Fourth Proportional to 577,978.60, 866,924.70 and 240,932.20

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Solution

The fourth proportional to 577,978.60, 866,924.70 and 240,932.20 is: 361,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,978.60 : 866,924.70 = 240,932.20 : x
  2. Step 2: Convert to fraction form
    577,978.60/866,924.70 = 240,932.20/x
  3. Step 3: Cross multiply
    577,978.60x = 866,924.70 × 240,932.20
  4. Step 4: Simplify right side
    577,978.60x = 208,870,075,205.34
  5. Step 5: Solve for x
    x = 208,870,075,205.34/577,978.60
  6. Step 6: Final answer
    x = 361,380.29

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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.