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Finding the Fourth Proportional to 600,433.20, 898,462.80 and 442,969.20

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Solution

The fourth proportional to 600,433.20, 898,462.80 and 442,969.20 is: 662,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,433.20 : 898,462.80 = 442,969.20 : x
  2. Step 2: Convert to fraction form
    600,433.20/898,462.80 = 442,969.20/x
  3. Step 3: Cross multiply
    600,433.20x = 898,462.80 × 442,969.20
  4. Step 4: Simplify right side
    600,433.20x = 397,991,347,745.76
  5. Step 5: Solve for x
    x = 397,991,347,745.76/600,433.20
  6. Step 6: Final answer
    x = 662,840.34

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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.