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Finding the Fourth Proportional to 466,899.40, 698,793.90 and 410,912.20

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Solution

The fourth proportional to 466,899.40, 698,793.90 and 410,912.20 is: 614,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,899.40 : 698,793.90 = 410,912.20 : x
  2. Step 2: Convert to fraction form
    466,899.40/698,793.90 = 410,912.20/x
  3. Step 3: Cross multiply
    466,899.40x = 698,793.90 × 410,912.20
  4. Step 4: Simplify right side
    466,899.40x = 287,142,938,795.58
  5. Step 5: Solve for x
    x = 287,142,938,795.58/466,899.40
  6. Step 6: Final answer
    x = 614,999.59

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1.5x scale

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.