Home / 478,922.10-718,055.10-226,323.60

Finding the Fourth Proportional to 478,922.10, 718,055.10 and 226,323.60

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Solution

The fourth proportional to 478,922.10, 718,055.10 and 226,323.60 is: 339,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,922.10 : 718,055.10 = 226,323.60 : x
  2. Step 2: Convert to fraction form
    478,922.10/718,055.10 = 226,323.60/x
  3. Step 3: Cross multiply
    478,922.10x = 718,055.10 × 226,323.60
  4. Step 4: Simplify right side
    478,922.10x = 162,512,815,230.36
  5. Step 5: Solve for x
    x = 162,512,815,230.36/478,922.10
  6. Step 6: Final answer
    x = 339,330.37

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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.