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Finding the Fourth Proportional to 634,531.86, 875,638.53 and 408,176.82

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Solution

The fourth proportional to 634,531.86, 875,638.53 and 408,176.82 is: 563,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,531.86 : 875,638.53 = 408,176.82 : x
  2. Step 2: Convert to fraction form
    634,531.86/875,638.53 = 408,176.82/x
  3. Step 3: Cross multiply
    634,531.86x = 875,638.53 × 408,176.82
  4. Step 4: Simplify right side
    634,531.86x = 357,415,350,644.88
  5. Step 5: Solve for x
    x = 357,415,350,644.88/634,531.86
  6. Step 6: Final answer
    x = 563,274.08

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