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Finding the Fourth Proportional to 545,570.37, 817,830.68 and 279,456.21

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Solution

The fourth proportional to 545,570.37, 817,830.68 and 279,456.21 is: 418,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,570.37 : 817,830.68 = 279,456.21 : x
  2. Step 2: Convert to fraction form
    545,570.37/817,830.68 = 279,456.21/x
  3. Step 3: Cross multiply
    545,570.37x = 817,830.68 × 279,456.21
  4. Step 4: Simplify right side
    545,570.37x = 228,547,860,857.24
  5. Step 5: Solve for x
    x = 228,547,860,857.24/545,570.37
  6. Step 6: Final answer
    x = 418,915.46

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