Home / 739,258.50-1,108,720.52-339,515

Finding the Fourth Proportional to 739,258.50, 1,108,720.52 and 339,515

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Solution

The fourth proportional to 739,258.50, 1,108,720.52 and 339,515 is: 509,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,258.50 : 1,108,720.52 = 339,515 : x
  2. Step 2: Convert to fraction form
    739,258.50/1,108,720.52 = 339,515/x
  3. Step 3: Cross multiply
    739,258.50x = 1,108,720.52 × 339,515
  4. Step 4: Simplify right side
    739,258.50x = 376,427,247,347.80
  5. Step 5: Solve for x
    x = 376,427,247,347.80/739,258.50
  6. Step 6: Final answer
    x = 509,195.70

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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.