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Finding the Fourth Proportional to 652,179.20, 978,268.80 and 403,001.60

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Solution

The fourth proportional to 652,179.20, 978,268.80 and 403,001.60 is: 604,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,179.20 : 978,268.80 = 403,001.60 : x
  2. Step 2: Convert to fraction form
    652,179.20/978,268.80 = 403,001.60/x
  3. Step 3: Cross multiply
    652,179.20x = 978,268.80 × 403,001.60
  4. Step 4: Simplify right side
    652,179.20x = 394,243,891,630.08
  5. Step 5: Solve for x
    x = 394,243,891,630.08/652,179.20
  6. Step 6: Final answer
    x = 604,502.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.