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Finding the Fourth Proportional to 652,580.16, 978,290.40 and 231,800.64

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Solution

The fourth proportional to 652,580.16, 978,290.40 and 231,800.64 is: 347,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,580.16 : 978,290.40 = 231,800.64 : x
  2. Step 2: Convert to fraction form
    652,580.16/978,290.40 = 231,800.64/x
  3. Step 3: Cross multiply
    652,580.16x = 978,290.40 × 231,800.64
  4. Step 4: Simplify right side
    652,580.16x = 226,768,340,825.86
  5. Step 5: Solve for x
    x = 226,768,340,825.86/652,580.16
  6. Step 6: Final answer
    x = 347,495.00

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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.