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Finding the Fourth Proportional to 634,322.58, 875,377.17 and 347,825.58

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Solution

The fourth proportional to 634,322.58, 875,377.17 and 347,825.58 is: 480,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,322.58 : 875,377.17 = 347,825.58 : x
  2. Step 2: Convert to fraction form
    634,322.58/875,377.17 = 347,825.58/x
  3. Step 3: Cross multiply
    634,322.58x = 875,377.17 × 347,825.58
  4. Step 4: Simplify right side
    634,322.58x = 304,478,571,874.01
  5. Step 5: Solve for x
    x = 304,478,571,874.01/634,322.58
  6. Step 6: Final answer
    x = 480,005.89

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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.