Home / 570,003.20-854,572.80-289,721.60

Finding the Fourth Proportional to 570,003.20, 854,572.80 and 289,721.60

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Solution

The fourth proportional to 570,003.20, 854,572.80 and 289,721.60 is: 434,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,003.20 : 854,572.80 = 289,721.60 : x
  2. Step 2: Convert to fraction form
    570,003.20/854,572.80 = 289,721.60/x
  3. Step 3: Cross multiply
    570,003.20x = 854,572.80 × 289,721.60
  4. Step 4: Simplify right side
    570,003.20x = 247,588,198,932.48
  5. Step 5: Solve for x
    x = 247,588,198,932.48/570,003.20
  6. Step 6: Final answer
    x = 434,362.82

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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.