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Finding the Fourth Proportional to 570,043.20, 854,500.80 and 269,996.40

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Solution

The fourth proportional to 570,043.20, 854,500.80 and 269,996.40 is: 404,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,043.20 : 854,500.80 = 269,996.40 : x
  2. Step 2: Convert to fraction form
    570,043.20/854,500.80 = 269,996.40/x
  3. Step 3: Cross multiply
    570,043.20x = 854,500.80 × 269,996.40
  4. Step 4: Simplify right side
    570,043.20x = 230,712,139,797.12
  5. Step 5: Solve for x
    x = 230,712,139,797.12/570,043.20
  6. Step 6: Final answer
    x = 404,727.47

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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.