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Finding the Fourth Proportional to 525,002.40, 788,281.20 and 406,807.20

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Solution

The fourth proportional to 525,002.40, 788,281.20 and 406,807.20 is: 610,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,002.40 : 788,281.20 = 406,807.20 : x
  2. Step 2: Convert to fraction form
    525,002.40/788,281.20 = 406,807.20/x
  3. Step 3: Cross multiply
    525,002.40x = 788,281.20 × 406,807.20
  4. Step 4: Simplify right side
    525,002.40x = 320,678,467,784.64
  5. Step 5: Solve for x
    x = 320,678,467,784.64/525,002.40
  6. Step 6: Final answer
    x = 610,813.34

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