Finding the Fourth Proportional to 787,995.48, 1,087,459.68 and 443,837.84
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Solution
The fourth proportional to 787,995.48, 1,087,459.68 and 443,837.84 is: 612,510.82
Step by Step Solution
- Step 1: Write the proportion equation
787,995.48 : 1,087,459.68 = 443,837.84 : x - Step 2: Convert to fraction form
787,995.48/1,087,459.68 = 443,837.84/x - Step 3: Cross multiply
787,995.48x = 1,087,459.68 × 443,837.84 - Step 4: Simplify right side
787,995.48x = 482,655,755,458.29 - Step 5: Solve for x
x = 482,655,755,458.29/787,995.48 - Step 6: Final answer
x = 612,510.82
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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.