Finding the Fourth Proportional to 517,487.73, 714,132.97 and 288,040.08
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Solution
The fourth proportional to 517,487.73, 714,132.97 and 288,040.08 is: 397,495.26
Step by Step Solution
- Step 1: Write the proportion equation
517,487.73 : 714,132.97 = 288,040.08 : x - Step 2: Convert to fraction form
517,487.73/714,132.97 = 288,040.08/x - Step 3: Cross multiply
517,487.73x = 714,132.97 × 288,040.08 - Step 4: Simplify right side
517,487.73x = 205,698,917,809.44 - Step 5: Solve for x
x = 205,698,917,809.44/517,487.73 - Step 6: Final answer
x = 397,495.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.