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Finding the Fourth Proportional to 363,743.60, 545,109.66 and 316,261.40

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Solution

The fourth proportional to 363,743.60, 545,109.66 and 316,261.40 is: 473,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,743.60 : 545,109.66 = 316,261.40 : x
  2. Step 2: Convert to fraction form
    363,743.60/545,109.66 = 316,261.40/x
  3. Step 3: Cross multiply
    363,743.60x = 545,109.66 × 316,261.40
  4. Step 4: Simplify right side
    363,743.60x = 172,397,144,225.12
  5. Step 5: Solve for x
    x = 172,397,144,225.12/363,743.60
  6. Step 6: Final answer
    x = 473,952.38

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