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Finding the Fourth Proportional to 634,329.58, 875,400.06 and 347,859.94

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Solution

The fourth proportional to 634,329.58, 875,400.06 and 347,859.94 is: 480,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,329.58 : 875,400.06 = 347,859.94 : x
  2. Step 2: Convert to fraction form
    634,329.58/875,400.06 = 347,859.94/x
  3. Step 3: Cross multiply
    634,329.58x = 875,400.06 × 347,859.94
  4. Step 4: Simplify right side
    634,329.58x = 304,516,612,347.60
  5. Step 5: Solve for x
    x = 304,516,612,347.60/634,329.58
  6. Step 6: Final answer
    x = 480,060.56

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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.