Home / 739,858.10-1,108,584.30-668,999.30

Finding the Fourth Proportional to 739,858.10, 1,108,584.30 and 668,999.30

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Solution

The fourth proportional to 739,858.10, 1,108,584.30 and 668,999.30 is: 1,002,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,858.10 : 1,108,584.30 = 668,999.30 : x
  2. Step 2: Convert to fraction form
    739,858.10/1,108,584.30 = 668,999.30/x
  3. Step 3: Cross multiply
    739,858.10x = 1,108,584.30 × 668,999.30
  4. Step 4: Simplify right side
    739,858.10x = 741,642,120,690.99
  5. Step 5: Solve for x
    x = 741,642,120,690.99/739,858.10
  6. Step 6: Final answer
    x = 1,002,411.30

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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.