Home / 758,388.66-1,137,586.10-189,768.20

Finding the Fourth Proportional to 758,388.66, 1,137,586.10 and 189,768.20

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Solution

The fourth proportional to 758,388.66, 1,137,586.10 and 189,768.20 is: 284,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,388.66 : 1,137,586.10 = 189,768.20 : x
  2. Step 2: Convert to fraction form
    758,388.66/1,137,586.10 = 189,768.20/x
  3. Step 3: Cross multiply
    758,388.66x = 1,137,586.10 × 189,768.20
  4. Step 4: Simplify right side
    758,388.66x = 215,877,666,542.02
  5. Step 5: Solve for x
    x = 215,877,666,542.02/758,388.66
  6. Step 6: Final answer
    x = 284,653.08

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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.