Home / 758,532.90-1,137,843.08-285,222.36

Finding the Fourth Proportional to 758,532.90, 1,137,843.08 and 285,222.36

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Solution

The fourth proportional to 758,532.90, 1,137,843.08 and 285,222.36 is: 427,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,532.90 : 1,137,843.08 = 285,222.36 : x
  2. Step 2: Convert to fraction form
    758,532.90/1,137,843.08 = 285,222.36/x
  3. Step 3: Cross multiply
    758,532.90x = 1,137,843.08 × 285,222.36
  4. Step 4: Simplify right side
    758,532.90x = 324,538,288,587.27
  5. Step 5: Solve for x
    x = 324,538,288,587.27/758,532.90
  6. Step 6: Final answer
    x = 427,849.98

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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.