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Finding the Fourth Proportional to 347,711.60, 521,567.40 and 302,092.40

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Solution

The fourth proportional to 347,711.60, 521,567.40 and 302,092.40 is: 453,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711.60 : 521,567.40 = 302,092.40 : x
  2. Step 2: Convert to fraction form
    347,711.60/521,567.40 = 302,092.40/x
  3. Step 3: Cross multiply
    347,711.60x = 521,567.40 × 302,092.40
  4. Step 4: Simplify right side
    347,711.60x = 157,561,547,627.76
  5. Step 5: Solve for x
    x = 157,561,547,627.76/347,711.60
  6. Step 6: Final answer
    x = 453,138.60

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