Home / 909,215.45-1,254,727.17-501,318.08

Finding the Fourth Proportional to 909,215.45, 1,254,727.17 and 501,318.08

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Solution

The fourth proportional to 909,215.45, 1,254,727.17 and 501,318.08 is: 691,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,215.45 : 1,254,727.17 = 501,318.08 : x
  2. Step 2: Convert to fraction form
    909,215.45/1,254,727.17 = 501,318.08/x
  3. Step 3: Cross multiply
    909,215.45x = 1,254,727.17 × 501,318.08
  4. Step 4: Simplify right side
    909,215.45x = 629,017,415,788.23
  5. Step 5: Solve for x
    x = 629,017,415,788.23/909,215.45
  6. Step 6: Final answer
    x = 691,824.38

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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.