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Finding the Fourth Proportional to 358,445.80, 537,960.30 and 346,781.80

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Solution

The fourth proportional to 358,445.80, 537,960.30 and 346,781.80 is: 520,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,445.80 : 537,960.30 = 346,781.80 : x
  2. Step 2: Convert to fraction form
    358,445.80/537,960.30 = 346,781.80/x
  3. Step 3: Cross multiply
    358,445.80x = 537,960.30 × 346,781.80
  4. Step 4: Simplify right side
    358,445.80x = 186,554,841,162.54
  5. Step 5: Solve for x
    x = 186,554,841,162.54/358,445.80
  6. Step 6: Final answer
    x = 520,454.81

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