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Finding the Fourth Proportional to 589,039.40, 883,559.10 and 402,415.40

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Solution

The fourth proportional to 589,039.40, 883,559.10 and 402,415.40 is: 603,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,039.40 : 883,559.10 = 402,415.40 : x
  2. Step 2: Convert to fraction form
    589,039.40/883,559.10 = 402,415.40/x
  3. Step 3: Cross multiply
    589,039.40x = 883,559.10 × 402,415.40
  4. Step 4: Simplify right side
    589,039.40x = 355,557,788,650.14
  5. Step 5: Solve for x
    x = 355,557,788,650.14/589,039.40
  6. Step 6: Final answer
    x = 603,623.10

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