Finding the Fourth Proportional to 814,482.68, 1,124,120.94 and 452,022.96
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Solution
The fourth proportional to 814,482.68, 1,124,120.94 and 452,022.96 is: 623,866.52
Step by Step Solution
- Step 1: Write the proportion equation
814,482.68 : 1,124,120.94 = 452,022.96 : x - Step 2: Convert to fraction form
814,482.68/1,124,120.94 = 452,022.96/x - Step 3: Cross multiply
814,482.68x = 1,124,120.94 × 452,022.96 - Step 4: Simplify right side
814,482.68x = 508,128,474,696.78 - Step 5: Solve for x
x = 508,128,474,696.78/814,482.68 - Step 6: Final answer
x = 623,866.52
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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.