Home / 909,240.05-1,254,760-501,356.35

Finding the Fourth Proportional to 909,240.05, 1,254,760 and 501,356.35

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Solution

The fourth proportional to 909,240.05, 1,254,760 and 501,356.35 is: 691,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,240.05 : 1,254,760 = 501,356.35 : x
  2. Step 2: Convert to fraction form
    909,240.05/1,254,760 = 501,356.35/x
  3. Step 3: Cross multiply
    909,240.05x = 1,254,760 × 501,356.35
  4. Step 4: Simplify right side
    909,240.05x = 629,081,887,452.20
  5. Step 5: Solve for x
    x = 629,081,887,452.20/909,240.05
  6. Step 6: Final answer
    x = 691,876.57

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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.