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Finding the Fourth Proportional to 467,578.40, 701,367.60 and 368,045.60

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Solution

The fourth proportional to 467,578.40, 701,367.60 and 368,045.60 is: 552,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,578.40 : 701,367.60 = 368,045.60 : x
  2. Step 2: Convert to fraction form
    467,578.40/701,367.60 = 368,045.60/x
  3. Step 3: Cross multiply
    467,578.40x = 701,367.60 × 368,045.60
  4. Step 4: Simplify right side
    467,578.40x = 258,135,259,162.56
  5. Step 5: Solve for x
    x = 258,135,259,162.56/467,578.40
  6. Step 6: Final answer
    x = 552,068.40

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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.