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Finding the Fourth Proportional to 527,020.80, 789,364.80 and 433,708.80

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Solution

The fourth proportional to 527,020.80, 789,364.80 and 433,708.80 is: 649,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,020.80 : 789,364.80 = 433,708.80 : x
  2. Step 2: Convert to fraction form
    527,020.80/789,364.80 = 433,708.80/x
  3. Step 3: Cross multiply
    527,020.80x = 789,364.80 × 433,708.80
  4. Step 4: Simplify right side
    527,020.80x = 342,354,460,170.24
  5. Step 5: Solve for x
    x = 342,354,460,170.24/527,020.80
  6. Step 6: Final answer
    x = 649,603.32

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