Home / 909,812.20-1,364,484.64-269,964.60

Finding the Fourth Proportional to 909,812.20, 1,364,484.64 and 269,964.60

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Solution

The fourth proportional to 909,812.20, 1,364,484.64 and 269,964.60 is: 404,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,812.20 : 1,364,484.64 = 269,964.60 : x
  2. Step 2: Convert to fraction form
    909,812.20/1,364,484.64 = 269,964.60/x
  3. Step 3: Cross multiply
    909,812.20x = 1,364,484.64 × 269,964.60
  4. Step 4: Simplify right side
    909,812.20x = 368,362,544,758.20
  5. Step 5: Solve for x
    x = 368,362,544,758.20/909,812.20
  6. Step 6: Final answer
    x = 404,877.56

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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.