Home / 774,172.93-1,161,395.58-353,491.33

Finding the Fourth Proportional to 774,172.93, 1,161,395.58 and 353,491.33

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Solution

The fourth proportional to 774,172.93, 1,161,395.58 and 353,491.33 is: 530,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,172.93 : 1,161,395.58 = 353,491.33 : x
  2. Step 2: Convert to fraction form
    774,172.93/1,161,395.58 = 353,491.33/x
  3. Step 3: Cross multiply
    774,172.93x = 1,161,395.58 × 353,491.33
  4. Step 4: Simplify right side
    774,172.93x = 410,543,268,230.32
  5. Step 5: Solve for x
    x = 410,543,268,230.32/774,172.93
  6. Step 6: Final answer
    x = 530,299.18

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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.