Home / 779,578.06-1,169,443.50-324,075.10

Finding the Fourth Proportional to 779,578.06, 1,169,443.50 and 324,075.10

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Solution

The fourth proportional to 779,578.06, 1,169,443.50 and 324,075.10 is: 486,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,578.06 : 1,169,443.50 = 324,075.10 : x
  2. Step 2: Convert to fraction form
    779,578.06/1,169,443.50 = 324,075.10/x
  3. Step 3: Cross multiply
    779,578.06x = 1,169,443.50 × 324,075.10
  4. Step 4: Simplify right side
    779,578.06x = 378,987,519,206.85
  5. Step 5: Solve for x
    x = 378,987,519,206.85/779,578.06
  6. Step 6: Final answer
    x = 486,144.41

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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.