Home / 642,562.40-962,677.20-523,589.60

Finding the Fourth Proportional to 642,562.40, 962,677.20 and 523,589.60

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Solution

The fourth proportional to 642,562.40, 962,677.20 and 523,589.60 is: 784,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,562.40 : 962,677.20 = 523,589.60 : x
  2. Step 2: Convert to fraction form
    642,562.40/962,677.20 = 523,589.60/x
  3. Step 3: Cross multiply
    642,562.40x = 962,677.20 × 523,589.60
  4. Step 4: Simplify right side
    642,562.40x = 504,047,770,077.12
  5. Step 5: Solve for x
    x = 504,047,770,077.12/642,562.40
  6. Step 6: Final answer
    x = 784,433.96

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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.