Home / 743,459.46-1,115,559.64-294,503.90

Finding the Fourth Proportional to 743,459.46, 1,115,559.64 and 294,503.90

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Solution

The fourth proportional to 743,459.46, 1,115,559.64 and 294,503.90 is: 441,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,459.46 : 1,115,559.64 = 294,503.90 : x
  2. Step 2: Convert to fraction form
    743,459.46/1,115,559.64 = 294,503.90/x
  3. Step 3: Cross multiply
    743,459.46x = 1,115,559.64 × 294,503.90
  4. Step 4: Simplify right side
    743,459.46x = 328,536,664,662.60
  5. Step 5: Solve for x
    x = 328,536,664,662.60/743,459.46
  6. Step 6: Final answer
    x = 441,902.60

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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.