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Finding the Fourth Proportional to 634,326.58, 875,395.92 and 347,856.94

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Solution

The fourth proportional to 634,326.58, 875,395.92 and 347,856.94 is: 480,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,326.58 : 875,395.92 = 347,856.94 : x
  2. Step 2: Convert to fraction form
    634,326.58/875,395.92 = 347,856.94/x
  3. Step 3: Cross multiply
    634,326.58x = 875,395.92 × 347,856.94
  4. Step 4: Simplify right side
    634,326.58x = 304,512,546,019.69
  5. Step 5: Solve for x
    x = 304,512,546,019.69/634,326.58
  6. Step 6: Final answer
    x = 480,056.42

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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.