Home / 452,259.64-677,755.86-339,868

Finding the Fourth Proportional to 452,259.64, 677,755.86 and 339,868

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Solution

The fourth proportional to 452,259.64, 677,755.86 and 339,868 is: 509,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,259.64 : 677,755.86 = 339,868 : x
  2. Step 2: Convert to fraction form
    452,259.64/677,755.86 = 339,868/x
  3. Step 3: Cross multiply
    452,259.64x = 677,755.86 × 339,868
  4. Step 4: Simplify right side
    452,259.64x = 230,347,528,626.48
  5. Step 5: Solve for x
    x = 230,347,528,626.48/452,259.64
  6. Step 6: Final answer
    x = 509,325.86

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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.