Finding the Fourth Proportional to 579,184.78, 798,389.00 and 406,618.63
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Solution
The fourth proportional to 579,184.78, 798,389.00 and 406,618.63 is: 560,511.70
Step by Step Solution
- Step 1: Write the proportion equation
579,184.78 : 798,389.00 = 406,618.63 : x - Step 2: Convert to fraction form
579,184.78/798,389.00 = 406,618.63/x - Step 3: Cross multiply
579,184.78x = 798,389.00 × 406,618.63 - Step 4: Simplify right side
579,184.78x = 324,639,845,660.99 - Step 5: Solve for x
x = 324,639,845,660.99/579,184.78 - Step 6: Final answer
x = 560,511.70
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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.