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Finding the Fourth Proportional to 652,299.20, 978,448.80 and 298,005.20

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Solution

The fourth proportional to 652,299.20, 978,448.80 and 298,005.20 is: 447,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,299.20 : 978,448.80 = 298,005.20 : x
  2. Step 2: Convert to fraction form
    652,299.20/978,448.80 = 298,005.20/x
  3. Step 3: Cross multiply
    652,299.20x = 978,448.80 × 298,005.20
  4. Step 4: Simplify right side
    652,299.20x = 291,582,830,333.76
  5. Step 5: Solve for x
    x = 291,582,830,333.76/652,299.20
  6. Step 6: Final answer
    x = 447,007.80

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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.