Finding the Fourth Proportional to 852,763.17, 1,176,679.10 and 490,116.99
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Solution
The fourth proportional to 852,763.17, 1,176,679.10 and 490,116.99 is: 676,284.39
Step by Step Solution
- Step 1: Write the proportion equation
852,763.17 : 1,176,679.10 = 490,116.99 : x - Step 2: Convert to fraction form
852,763.17/1,176,679.10 = 490,116.99/x - Step 3: Cross multiply
852,763.17x = 1,176,679.10 × 490,116.99 - Step 4: Simplify right side
852,763.17x = 576,710,424,325.75 - Step 5: Solve for x
x = 576,710,424,325.75/852,763.17 - Step 6: Final answer
x = 676,284.39
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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.