Home / 758,554.83-1,137,998.46-285,240.24

Finding the Fourth Proportional to 758,554.83, 1,137,998.46 and 285,240.24

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Solution

The fourth proportional to 758,554.83, 1,137,998.46 and 285,240.24 is: 427,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,554.83 : 1,137,998.46 = 285,240.24 : x
  2. Step 2: Convert to fraction form
    758,554.83/1,137,998.46 = 285,240.24/x
  3. Step 3: Cross multiply
    758,554.83x = 1,137,998.46 × 285,240.24
  4. Step 4: Simplify right side
    758,554.83x = 324,602,953,850.03
  5. Step 5: Solve for x
    x = 324,602,953,850.03/758,554.83
  6. Step 6: Final answer
    x = 427,922.86

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Double scale
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Similar ratio
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1.5x scale

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.