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Finding the Fourth Proportional to 905,699.83, 1,359,223.23 and 365,960.80

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Solution

The fourth proportional to 905,699.83, 1,359,223.23 and 365,960.80 is: 549,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,699.83 : 1,359,223.23 = 365,960.80 : x
  2. Step 2: Convert to fraction form
    905,699.83/1,359,223.23 = 365,960.80/x
  3. Step 3: Cross multiply
    905,699.83x = 1,359,223.23 × 365,960.80
  4. Step 4: Simplify right side
    905,699.83x = 497,422,424,027.44
  5. Step 5: Solve for x
    x = 497,422,424,027.44/905,699.83
  6. Step 6: Final answer
    x = 549,213.33

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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.