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Finding the Fourth Proportional to 525,664.80, 788,497.20 and 357,703.20

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Solution

The fourth proportional to 525,664.80, 788,497.20 and 357,703.20 is: 536,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,664.80 : 788,497.20 = 357,703.20 : x
  2. Step 2: Convert to fraction form
    525,664.80/788,497.20 = 357,703.20/x
  3. Step 3: Cross multiply
    525,664.80x = 788,497.20 × 357,703.20
  4. Step 4: Simplify right side
    525,664.80x = 282,047,971,631.04
  5. Step 5: Solve for x
    x = 282,047,971,631.04/525,664.80
  6. Step 6: Final answer
    x = 536,554.80

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