Home / 458,621.23-632,876-254,685.07

Finding the Fourth Proportional to 458,621.23, 632,876 and 254,685.07

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Solution

The fourth proportional to 458,621.23, 632,876 and 254,685.07 is: 351,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,621.23 : 632,876 = 254,685.07 : x
  2. Step 2: Convert to fraction form
    458,621.23/632,876 = 254,685.07/x
  3. Step 3: Cross multiply
    458,621.23x = 632,876 × 254,685.07
  4. Step 4: Simplify right side
    458,621.23x = 161,184,068,361.32
  5. Step 5: Solve for x
    x = 161,184,068,361.32/458,621.23
  6. Step 6: Final answer
    x = 351,453.57

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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.