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Finding the Fourth Proportional to 525,670.40, 788,505.60 and 315,545.60

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Solution

The fourth proportional to 525,670.40, 788,505.60 and 315,545.60 is: 473,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,670.40 : 788,505.60 = 315,545.60 : x
  2. Step 2: Convert to fraction form
    525,670.40/788,505.60 = 315,545.60/x
  3. Step 3: Cross multiply
    525,670.40x = 788,505.60 × 315,545.60
  4. Step 4: Simplify right side
    525,670.40x = 248,809,472,655.36
  5. Step 5: Solve for x
    x = 248,809,472,655.36/525,670.40
  6. Step 6: Final answer
    x = 473,318.40

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