Home / 743,766.10-1,114,994.82-294,802.11

Finding the Fourth Proportional to 743,766.10, 1,114,994.82 and 294,802.11

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Solution

The fourth proportional to 743,766.10, 1,114,994.82 and 294,802.11 is: 441,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,766.10 : 1,114,994.82 = 294,802.11 : x
  2. Step 2: Convert to fraction form
    743,766.10/1,114,994.82 = 294,802.11/x
  3. Step 3: Cross multiply
    743,766.10x = 1,114,994.82 × 294,802.11
  4. Step 4: Simplify right side
    743,766.10x = 328,702,825,575.07
  5. Step 5: Solve for x
    x = 328,702,825,575.07/743,766.10
  6. Step 6: Final answer
    x = 441,943.81

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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.