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Finding the Fourth Proportional to 570,156.60, 854,846.10 and 270,780.60

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Solution

The fourth proportional to 570,156.60, 854,846.10 and 270,780.60 is: 405,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,156.60 : 854,846.10 = 270,780.60 : x
  2. Step 2: Convert to fraction form
    570,156.60/854,846.10 = 270,780.60/x
  3. Step 3: Cross multiply
    570,156.60x = 854,846.10 × 270,780.60
  4. Step 4: Simplify right side
    570,156.60x = 231,475,739,865.66
  5. Step 5: Solve for x
    x = 231,475,739,865.66/570,156.60
  6. Step 6: Final answer
    x = 405,986.25

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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.