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Finding the Fourth Proportional to 634,167.30, 875,131.92 and 347,677.60

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Solution

The fourth proportional to 634,167.30, 875,131.92 and 347,677.60 is: 479,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,167.30 : 875,131.92 = 347,677.60 : x
  2. Step 2: Convert to fraction form
    634,167.30/875,131.92 = 347,677.60/x
  3. Step 3: Cross multiply
    634,167.30x = 875,131.92 × 347,677.60
  4. Step 4: Simplify right side
    634,167.30x = 304,263,765,628.99
  5. Step 5: Solve for x
    x = 304,263,765,628.99/634,167.30
  6. Step 6: Final answer
    x = 479,784.70

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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.