Home / 743,426.91-1,114,697.50-294,211.64

Finding the Fourth Proportional to 743,426.91, 1,114,697.50 and 294,211.64

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Solution

The fourth proportional to 743,426.91, 1,114,697.50 and 294,211.64 is: 441,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,426.91 : 1,114,697.50 = 294,211.64 : x
  2. Step 2: Convert to fraction form
    743,426.91/1,114,697.50 = 294,211.64/x
  3. Step 3: Cross multiply
    743,426.91x = 1,114,697.50 × 294,211.64
  4. Step 4: Simplify right side
    743,426.91x = 327,956,981,630.12
  5. Step 5: Solve for x
    x = 327,956,981,630.12/743,426.91
  6. Step 6: Final answer
    x = 441,142.20

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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.