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Finding the Fourth Proportional to 465,779.70, 698,669.55 and 415,041.30

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Solution

The fourth proportional to 465,779.70, 698,669.55 and 415,041.30 is: 622,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,779.70 : 698,669.55 = 415,041.30 : x
  2. Step 2: Convert to fraction form
    465,779.70/698,669.55 = 415,041.30/x
  3. Step 3: Cross multiply
    465,779.70x = 698,669.55 × 415,041.30
  4. Step 4: Simplify right side
    465,779.70x = 289,976,718,302.42
  5. Step 5: Solve for x
    x = 289,976,718,302.42/465,779.70
  6. Step 6: Final answer
    x = 622,561.95

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