Finding the Fourth Proportional to 925,603.80, 1,388,405.70 and 873,115.80
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Solution
The fourth proportional to 925,603.80, 1,388,405.70 and 873,115.80 is: 1,309,673.70
Step by Step Solution
- Step 1: Write the proportion equation
925,603.80 : 1,388,405.70 = 873,115.80 : x - Step 2: Convert to fraction form
925,603.80/1,388,405.70 = 873,115.80/x - Step 3: Cross multiply
925,603.80x = 1,388,405.70 × 873,115.80 - Step 4: Simplify right side
925,603.80x = 1,212,238,953,480.06 - Step 5: Solve for x
x = 1,212,238,953,480.06/925,603.80 - Step 6: Final answer
x = 1,309,673.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.