Home / 909,072.93-1,254,529.41-501,190.61

Finding the Fourth Proportional to 909,072.93, 1,254,529.41 and 501,190.61

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Solution

The fourth proportional to 909,072.93, 1,254,529.41 and 501,190.61 is: 691,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,072.93 : 1,254,529.41 = 501,190.61 : x
  2. Step 2: Convert to fraction form
    909,072.93/1,254,529.41 = 501,190.61/x
  3. Step 3: Cross multiply
    909,072.93x = 1,254,529.41 × 501,190.61
  4. Step 4: Simplify right side
    909,072.93x = 628,758,360,260.84
  5. Step 5: Solve for x
    x = 628,758,360,260.84/909,072.93
  6. Step 6: Final answer
    x = 691,647.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.