Home / 758,122.96-1,137,106.34-252,629.28

Finding the Fourth Proportional to 758,122.96, 1,137,106.34 and 252,629.28

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Solution

The fourth proportional to 758,122.96, 1,137,106.34 and 252,629.28 is: 378,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,122.96 : 1,137,106.34 = 252,629.28 : x
  2. Step 2: Convert to fraction form
    758,122.96/1,137,106.34 = 252,629.28/x
  3. Step 3: Cross multiply
    758,122.96x = 1,137,106.34 × 252,629.28
  4. Step 4: Simplify right side
    758,122.96x = 287,266,355,957.64
  5. Step 5: Solve for x
    x = 287,266,355,957.64/758,122.96
  6. Step 6: Final answer
    x = 378,917.89

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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.