Home / 698,474.33-964,157.90-408,180.15

Finding the Fourth Proportional to 698,474.33, 964,157.90 and 408,180.15

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Solution

The fourth proportional to 698,474.33, 964,157.90 and 408,180.15 is: 563,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,474.33 : 964,157.90 = 408,180.15 : x
  2. Step 2: Convert to fraction form
    698,474.33/964,157.90 = 408,180.15/x
  3. Step 3: Cross multiply
    698,474.33x = 964,157.90 × 408,180.15
  4. Step 4: Simplify right side
    698,474.33x = 393,550,116,245.69
  5. Step 5: Solve for x
    x = 393,550,116,245.69/698,474.33
  6. Step 6: Final answer
    x = 563,442.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.