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Finding the Fourth Proportional to 664,002.40, 994,448.40 and 452,495.20

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Solution

The fourth proportional to 664,002.40, 994,448.40 and 452,495.20 is: 677,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,002.40 : 994,448.40 = 452,495.20 : x
  2. Step 2: Convert to fraction form
    664,002.40/994,448.40 = 452,495.20/x
  3. Step 3: Cross multiply
    664,002.40x = 994,448.40 × 452,495.20
  4. Step 4: Simplify right side
    664,002.40x = 449,983,127,647.68
  5. Step 5: Solve for x
    x = 449,983,127,647.68/664,002.40
  6. Step 6: Final answer
    x = 677,682.98

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Why These Related Problems?

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