Home / 909,669.61-1,364,640.90-293,968.36

Finding the Fourth Proportional to 909,669.61, 1,364,640.90 and 293,968.36

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Solution

The fourth proportional to 909,669.61, 1,364,640.90 and 293,968.36 is: 440,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,669.61 : 1,364,640.90 = 293,968.36 : x
  2. Step 2: Convert to fraction form
    909,669.61/1,364,640.90 = 293,968.36/x
  3. Step 3: Cross multiply
    909,669.61x = 1,364,640.90 × 293,968.36
  4. Step 4: Simplify right side
    909,669.61x = 401,161,247,361.92
  5. Step 5: Solve for x
    x = 401,161,247,361.92/909,669.61
  6. Step 6: Final answer
    x = 440,996.65

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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.