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Finding the Fourth Proportional to 449,782.67, 620,298 and 373,180.26

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Solution

The fourth proportional to 449,782.67, 620,298 and 373,180.26 is: 514,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,782.67 : 620,298 = 373,180.26 : x
  2. Step 2: Convert to fraction form
    449,782.67/620,298 = 373,180.26/x
  3. Step 3: Cross multiply
    449,782.67x = 620,298 × 373,180.26
  4. Step 4: Simplify right side
    449,782.67x = 231,482,971,243.60
  5. Step 5: Solve for x
    x = 231,482,971,243.60/449,782.67
  6. Step 6: Final answer
    x = 514,655.16

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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.