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Finding the Fourth Proportional to 634,161.60, 875,141.55 and 347,708.34

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Solution

The fourth proportional to 634,161.60, 875,141.55 and 347,708.34 is: 479,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,161.60 : 875,141.55 = 347,708.34 : x
  2. Step 2: Convert to fraction form
    634,161.60/875,141.55 = 347,708.34/x
  3. Step 3: Cross multiply
    634,161.60x = 875,141.55 × 347,708.34
  4. Step 4: Simplify right side
    634,161.60x = 304,294,015,615.53
  5. Step 5: Solve for x
    x = 304,294,015,615.53/634,161.60
  6. Step 6: Final answer
    x = 479,836.71

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1.5x scale

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.