Home / 909,814.20-1,364,487.64-269,966.60

Finding the Fourth Proportional to 909,814.20, 1,364,487.64 and 269,966.60

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Solution

The fourth proportional to 909,814.20, 1,364,487.64 and 269,966.60 is: 404,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,814.20 : 1,364,487.64 = 269,966.60 : x
  2. Step 2: Convert to fraction form
    909,814.20/1,364,487.64 = 269,966.60/x
  3. Step 3: Cross multiply
    909,814.20x = 1,364,487.64 × 269,966.60
  4. Step 4: Simplify right side
    909,814.20x = 368,366,088,912.82
  5. Step 5: Solve for x
    x = 368,366,088,912.82/909,814.20
  6. Step 6: Final answer
    x = 404,880.57

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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.