Home / 758,166.94-1,137,905.43-309,135.34

Finding the Fourth Proportional to 758,166.94, 1,137,905.43 and 309,135.34

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Solution

The fourth proportional to 758,166.94, 1,137,905.43 and 309,135.34 is: 463,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,166.94 : 1,137,905.43 = 309,135.34 : x
  2. Step 2: Convert to fraction form
    758,166.94/1,137,905.43 = 309,135.34/x
  3. Step 3: Cross multiply
    758,166.94x = 1,137,905.43 × 309,135.34
  4. Step 4: Simplify right side
    758,166.94x = 351,766,781,990.90
  5. Step 5: Solve for x
    x = 351,766,781,990.90/758,166.94
  6. Step 6: Final answer
    x = 463,970.09

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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.