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Finding the Fourth Proportional to 534,740.60, 802,110.90 and 429,764.60

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Solution

The fourth proportional to 534,740.60, 802,110.90 and 429,764.60 is: 644,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,740.60 : 802,110.90 = 429,764.60 : x
  2. Step 2: Convert to fraction form
    534,740.60/802,110.90 = 429,764.60/x
  3. Step 3: Cross multiply
    534,740.60x = 802,110.90 × 429,764.60
  4. Step 4: Simplify right side
    534,740.60x = 344,718,870,094.14
  5. Step 5: Solve for x
    x = 344,718,870,094.14/534,740.60
  6. Step 6: Final answer
    x = 644,646.90

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