Home / 909,672.24-1,255,356.45-501,791.28

Finding the Fourth Proportional to 909,672.24, 1,255,356.45 and 501,791.28

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Solution

The fourth proportional to 909,672.24, 1,255,356.45 and 501,791.28 is: 692,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,672.24 : 1,255,356.45 = 501,791.28 : x
  2. Step 2: Convert to fraction form
    909,672.24/1,255,356.45 = 501,791.28/x
  3. Step 3: Cross multiply
    909,672.24x = 1,255,356.45 × 501,791.28
  4. Step 4: Simplify right side
    909,672.24x = 629,926,916,605.46
  5. Step 5: Solve for x
    x = 629,926,916,605.46/909,672.24
  6. Step 6: Final answer
    x = 692,476.79

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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.