Finding the Fourth Proportional to 608,511.75, 913,216.09 and 288,664.62
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Solution
The fourth proportional to 608,511.75, 913,216.09 and 288,664.62 is: 433,209.67
Step by Step Solution
- Step 1: Write the proportion equation
608,511.75 : 913,216.09 = 288,664.62 : x - Step 2: Convert to fraction form
608,511.75/913,216.09 = 288,664.62/x - Step 3: Cross multiply
608,511.75x = 913,216.09 × 288,664.62 - Step 4: Simplify right side
608,511.75x = 263,613,175,597.74 - Step 5: Solve for x
x = 263,613,175,597.74/608,511.75 - Step 6: Final answer
x = 433,209.67
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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.