Home / 743,276.48-1,114,915.20-269,960.96

Finding the Fourth Proportional to 743,276.48, 1,114,915.20 and 269,960.96

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Solution

The fourth proportional to 743,276.48, 1,114,915.20 and 269,960.96 is: 404,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,276.48 : 1,114,915.20 = 269,960.96 : x
  2. Step 2: Convert to fraction form
    743,276.48/1,114,915.20 = 269,960.96/x
  3. Step 3: Cross multiply
    743,276.48x = 1,114,915.20 × 269,960.96
  4. Step 4: Simplify right side
    743,276.48x = 300,983,577,710.59
  5. Step 5: Solve for x
    x = 300,983,577,710.59/743,276.48
  6. Step 6: Final answer
    x = 404,941.61

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1.5x scale

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.