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Finding the Fourth Proportional to 551,307.74, 760,781.11 and 321,877.74

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Solution

The fourth proportional to 551,307.74, 760,781.11 and 321,877.74 is: 444,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,307.74 : 760,781.11 = 321,877.74 : x
  2. Step 2: Convert to fraction form
    551,307.74/760,781.11 = 321,877.74/x
  3. Step 3: Cross multiply
    551,307.74x = 760,781.11 × 321,877.74
  4. Step 4: Simplify right side
    551,307.74x = 244,878,502,712.10
  5. Step 5: Solve for x
    x = 244,878,502,712.10/551,307.74
  6. Step 6: Final answer
    x = 444,177.52

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