Finding the Fourth Proportional to 591,726.84, 816,583.14 and 319,793.82
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Solution
The fourth proportional to 591,726.84, 816,583.14 and 319,793.82 is: 441,315.53
Step by Step Solution
- Step 1: Write the proportion equation
591,726.84 : 816,583.14 = 319,793.82 : x - Step 2: Convert to fraction form
591,726.84/816,583.14 = 319,793.82/x - Step 3: Cross multiply
591,726.84x = 816,583.14 × 319,793.82 - Step 4: Simplify right side
591,726.84x = 261,138,241,688.20 - Step 5: Solve for x
x = 261,138,241,688.20/591,726.84 - Step 6: Final answer
x = 441,315.53
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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.