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Finding the Fourth Proportional to 652,604.20, 978,906.30 and 475,457.20

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Solution

The fourth proportional to 652,604.20, 978,906.30 and 475,457.20 is: 713,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,604.20 : 978,906.30 = 475,457.20 : x
  2. Step 2: Convert to fraction form
    652,604.20/978,906.30 = 475,457.20/x
  3. Step 3: Cross multiply
    652,604.20x = 978,906.30 × 475,457.20
  4. Step 4: Simplify right side
    652,604.20x = 465,428,048,460.36
  5. Step 5: Solve for x
    x = 465,428,048,460.36/652,604.20
  6. Step 6: Final answer
    x = 713,185.80

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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.