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Finding the Fourth Proportional to 488,647.10, 732,970.65 and 404,666.30

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Solution

The fourth proportional to 488,647.10, 732,970.65 and 404,666.30 is: 606,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,647.10 : 732,970.65 = 404,666.30 : x
  2. Step 2: Convert to fraction form
    488,647.10/732,970.65 = 404,666.30/x
  3. Step 3: Cross multiply
    488,647.10x = 732,970.65 × 404,666.30
  4. Step 4: Simplify right side
    488,647.10x = 296,608,520,944.10
  5. Step 5: Solve for x
    x = 296,608,520,944.10/488,647.10
  6. Step 6: Final answer
    x = 606,999.45

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