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Finding the Fourth Proportional to 872,887.36, 1,204,404 and 510,241.06

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Solution

The fourth proportional to 872,887.36, 1,204,404 and 510,241.06 is: 704,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,887.36 : 1,204,404 = 510,241.06 : x
  2. Step 2: Convert to fraction form
    872,887.36/1,204,404 = 510,241.06/x
  3. Step 3: Cross multiply
    872,887.36x = 1,204,404 × 510,241.06
  4. Step 4: Simplify right side
    872,887.36x = 614,536,373,628.24
  5. Step 5: Solve for x
    x = 614,536,373,628.24/872,887.36
  6. Step 6: Final answer
    x = 704,027.12

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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.