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Finding the Fourth Proportional to 673,420.18, 929,315.28 and 371,614.18

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Solution

The fourth proportional to 673,420.18, 929,315.28 and 371,614.18 is: 512,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,420.18 : 929,315.28 = 371,614.18 : x
  2. Step 2: Convert to fraction form
    673,420.18/929,315.28 = 371,614.18/x
  3. Step 3: Cross multiply
    673,420.18x = 929,315.28 × 371,614.18
  4. Step 4: Simplify right side
    673,420.18x = 345,346,735,738.67
  5. Step 5: Solve for x
    x = 345,346,735,738.67/673,420.18
  6. Step 6: Final answer
    x = 512,825.05

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