Finding the Fourth Proportional to 963,080.49, 1,328,411.13 and 619,350.99
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Solution
The fourth proportional to 963,080.49, 1,328,411.13 and 619,350.99 is: 854,292.82
Step by Step Solution
- Step 1: Write the proportion equation
963,080.49 : 1,328,411.13 = 619,350.99 : x - Step 2: Convert to fraction form
963,080.49/1,328,411.13 = 619,350.99/x - Step 3: Cross multiply
963,080.49x = 1,328,411.13 × 619,350.99 - Step 4: Simplify right side
963,080.49x = 822,752,746,944.14 - Step 5: Solve for x
x = 822,752,746,944.14/963,080.49 - Step 6: Final answer
x = 854,292.82
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1.5x scale
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.