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Finding the Fourth Proportional to 435,792.40, 653,726.28 and 120,249.32

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Solution

The fourth proportional to 435,792.40, 653,726.28 and 120,249.32 is: 180,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,792.40 : 653,726.28 = 120,249.32 : x
  2. Step 2: Convert to fraction form
    435,792.40/653,726.28 = 120,249.32/x
  3. Step 3: Cross multiply
    435,792.40x = 653,726.28 × 120,249.32
  4. Step 4: Simplify right side
    435,792.40x = 78,610,140,636.13
  5. Step 5: Solve for x
    x = 78,610,140,636.13/435,792.40
  6. Step 6: Final answer
    x = 180,384.38

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