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Finding the Fourth Proportional to 652,091.20, 978,136.80 and 297,797.20

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Solution

The fourth proportional to 652,091.20, 978,136.80 and 297,797.20 is: 446,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,091.20 : 978,136.80 = 297,797.20 : x
  2. Step 2: Convert to fraction form
    652,091.20/978,136.80 = 297,797.20/x
  3. Step 3: Cross multiply
    652,091.20x = 978,136.80 × 297,797.20
  4. Step 4: Simplify right side
    652,091.20x = 291,286,400,256.96
  5. Step 5: Solve for x
    x = 291,286,400,256.96/652,091.20
  6. Step 6: Final answer
    x = 446,695.80

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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.