Home / 909,215.70-1,254,727.52-501,318.33

Finding the Fourth Proportional to 909,215.70, 1,254,727.52 and 501,318.33

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Solution

The fourth proportional to 909,215.70, 1,254,727.52 and 501,318.33 is: 691,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,215.70 : 1,254,727.52 = 501,318.33 : x
  2. Step 2: Convert to fraction form
    909,215.70/1,254,727.52 = 501,318.33/x
  3. Step 3: Cross multiply
    909,215.70x = 1,254,727.52 × 501,318.33
  4. Step 4: Simplify right side
    909,215.70x = 629,017,902,424.85
  5. Step 5: Solve for x
    x = 629,017,902,424.85/909,215.70
  6. Step 6: Final answer
    x = 691,824.73

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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.