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Finding the Fourth Proportional to 634,131.37, 875,101.08 and 347,645.31

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Solution

The fourth proportional to 634,131.37, 875,101.08 and 347,645.31 is: 479,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,131.37 : 875,101.08 = 347,645.31 : x
  2. Step 2: Convert to fraction form
    634,131.37/875,101.08 = 347,645.31/x
  3. Step 3: Cross multiply
    634,131.37x = 875,101.08 × 347,645.31
  4. Step 4: Simplify right side
    634,131.37x = 304,224,786,237.94
  5. Step 5: Solve for x
    x = 304,224,786,237.94/634,131.37
  6. Step 6: Final answer
    x = 479,750.41

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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.