Home / 721,890.57-1,083,900.35-402,666.15

Finding the Fourth Proportional to 721,890.57, 1,083,900.35 and 402,666.15

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Solution

The fourth proportional to 721,890.57, 1,083,900.35 and 402,666.15 is: 604,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,890.57 : 1,083,900.35 = 402,666.15 : x
  2. Step 2: Convert to fraction form
    721,890.57/1,083,900.35 = 402,666.15/x
  3. Step 3: Cross multiply
    721,890.57x = 1,083,900.35 × 402,666.15
  4. Step 4: Simplify right side
    721,890.57x = 436,449,978,904.82
  5. Step 5: Solve for x
    x = 436,449,978,904.82/721,890.57
  6. Step 6: Final answer
    x = 604,592.99

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