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Finding the Fourth Proportional to 449,841.57, 620,379.38 and 373,239.36

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Solution

The fourth proportional to 449,841.57, 620,379.38 and 373,239.36 is: 514,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,841.57 : 620,379.38 = 373,239.36 : x
  2. Step 2: Convert to fraction form
    449,841.57/620,379.38 = 373,239.36/x
  3. Step 3: Cross multiply
    449,841.57x = 620,379.38 × 373,239.36
  4. Step 4: Simplify right side
    449,841.57x = 231,550,003,681.50
  5. Step 5: Solve for x
    x = 231,550,003,681.50/449,841.57
  6. Step 6: Final answer
    x = 514,736.79

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1.5x scale

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.