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Finding the Fourth Proportional to 609,847.80, 914,407.20 and 373,360.20

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Solution

The fourth proportional to 609,847.80, 914,407.20 and 373,360.20 is: 559,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,847.80 : 914,407.20 = 373,360.20 : x
  2. Step 2: Convert to fraction form
    609,847.80/914,407.20 = 373,360.20/x
  3. Step 3: Cross multiply
    609,847.80x = 914,407.20 × 373,360.20
  4. Step 4: Simplify right side
    609,847.80x = 341,403,255,073.44
  5. Step 5: Solve for x
    x = 341,403,255,073.44/609,847.80
  6. Step 6: Final answer
    x = 559,817.15

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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.