Home / 449,617.28-620,453.42-245,675.23

Finding the Fourth Proportional to 449,617.28, 620,453.42 and 245,675.23

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Solution

The fourth proportional to 449,617.28, 620,453.42 and 245,675.23 is: 339,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,617.28 : 620,453.42 = 245,675.23 : x
  2. Step 2: Convert to fraction form
    449,617.28/620,453.42 = 245,675.23/x
  3. Step 3: Cross multiply
    449,617.28x = 620,453.42 × 245,675.23
  4. Step 4: Simplify right side
    449,617.28x = 152,430,034,804.56
  5. Step 5: Solve for x
    x = 152,430,034,804.56/449,617.28
  6. Step 6: Final answer
    x = 339,021.74

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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.