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Finding the Fourth Proportional to 499,648.40, 749,472.60 and 350,057.60

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Solution

The fourth proportional to 499,648.40, 749,472.60 and 350,057.60 is: 525,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,648.40 : 749,472.60 = 350,057.60 : x
  2. Step 2: Convert to fraction form
    499,648.40/749,472.60 = 350,057.60/x
  3. Step 3: Cross multiply
    499,648.40x = 749,472.60 × 350,057.60
  4. Step 4: Simplify right side
    499,648.40x = 262,358,579,621.76
  5. Step 5: Solve for x
    x = 262,358,579,621.76/499,648.40
  6. Step 6: Final answer
    x = 525,086.40

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