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Finding the Fourth Proportional to 657,579.60, 986,077.80 and 302,702.40

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Solution

The fourth proportional to 657,579.60, 986,077.80 and 302,702.40 is: 453,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,579.60 : 986,077.80 = 302,702.40 : x
  2. Step 2: Convert to fraction form
    657,579.60/986,077.80 = 302,702.40/x
  3. Step 3: Cross multiply
    657,579.60x = 986,077.80 × 302,702.40
  4. Step 4: Simplify right side
    657,579.60x = 298,488,116,646.72
  5. Step 5: Solve for x
    x = 298,488,116,646.72/657,579.60
  6. Step 6: Final answer
    x = 453,919.37

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