Finding the Fourth Proportional to 699,725.36, 965,918.93 and 470,415.65
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Solution
The fourth proportional to 699,725.36, 965,918.93 and 470,415.65 is: 649,373.88
Step by Step Solution
- Step 1: Write the proportion equation
699,725.36 : 965,918.93 = 470,415.65 : x - Step 2: Convert to fraction form
699,725.36/965,918.93 = 470,415.65/x - Step 3: Cross multiply
699,725.36x = 965,918.93 × 470,415.65 - Step 4: Simplify right side
699,725.36x = 454,383,374,121.58 - Step 5: Solve for x
x = 454,383,374,121.58/699,725.36 - Step 6: Final answer
x = 649,373.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.