Finding the Fourth Proportional to 591,393.73, 816,122.68 and 319,461.56
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Solution
The fourth proportional to 591,393.73, 816,122.68 and 319,461.56 is: 440,856.59
Step by Step Solution
- Step 1: Write the proportion equation
591,393.73 : 816,122.68 = 319,461.56 : x - Step 2: Convert to fraction form
591,393.73/816,122.68 = 319,461.56/x - Step 3: Cross multiply
591,393.73x = 816,122.68 × 319,461.56 - Step 4: Simplify right side
591,393.73x = 260,719,824,504.18 - Step 5: Solve for x
x = 260,719,824,504.18/591,393.73 - Step 6: Final answer
x = 440,856.59
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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.