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Finding the Fourth Proportional to 893,715, 1,340,150.16 and 324,699.36

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Solution

The fourth proportional to 893,715, 1,340,150.16 and 324,699.36 is: 486,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,715 : 1,340,150.16 = 324,699.36 : x
  2. Step 2: Convert to fraction form
    893,715/1,340,150.16 = 324,699.36/x
  3. Step 3: Cross multiply
    893,715x = 1,340,150.16 × 324,699.36
  4. Step 4: Simplify right side
    893,715x = 435,145,899,255.90
  5. Step 5: Solve for x
    x = 435,145,899,255.90/893,715
  6. Step 6: Final answer
    x = 486,895.60

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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.