Home / 739,940.10-1,109,910.15-440,564.10

Finding the Fourth Proportional to 739,940.10, 1,109,910.15 and 440,564.10

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Solution

The fourth proportional to 739,940.10, 1,109,910.15 and 440,564.10 is: 660,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,940.10 : 1,109,910.15 = 440,564.10 : x
  2. Step 2: Convert to fraction form
    739,940.10/1,109,910.15 = 440,564.10/x
  3. Step 3: Cross multiply
    739,940.10x = 1,109,910.15 × 440,564.10
  4. Step 4: Simplify right side
    739,940.10x = 488,986,566,315.62
  5. Step 5: Solve for x
    x = 488,986,566,315.62/739,940.10
  6. Step 6: Final answer
    x = 660,846.15

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1.5x scale

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.