Home / 960,075.43-1,440,107.94-391,454.33

Finding the Fourth Proportional to 960,075.43, 1,440,107.94 and 391,454.33

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Solution

The fourth proportional to 960,075.43, 1,440,107.94 and 391,454.33 is: 587,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,075.43 : 1,440,107.94 = 391,454.33 : x
  2. Step 2: Convert to fraction form
    960,075.43/1,440,107.94 = 391,454.33/x
  3. Step 3: Cross multiply
    960,075.43x = 1,440,107.94 × 391,454.33
  4. Step 4: Simplify right side
    960,075.43x = 563,736,481,579.84
  5. Step 5: Solve for x
    x = 563,736,481,579.84/960,075.43
  6. Step 6: Final answer
    x = 587,179.37

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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.