Home / 830,185.74-1,245,453.57-269,176.50

Finding the Fourth Proportional to 830,185.74, 1,245,453.57 and 269,176.50

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Solution

The fourth proportional to 830,185.74, 1,245,453.57 and 269,176.50 is: 403,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,185.74 : 1,245,453.57 = 269,176.50 : x
  2. Step 2: Convert to fraction form
    830,185.74/1,245,453.57 = 269,176.50/x
  3. Step 3: Cross multiply
    830,185.74x = 1,245,453.57 × 269,176.50
  4. Step 4: Simplify right side
    830,185.74x = 335,246,832,885.11
  5. Step 5: Solve for x
    x = 335,246,832,885.11/830,185.74
  6. Step 6: Final answer
    x = 403,821.48

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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.