Finding the Fourth Proportional to 874,906.68, 1,312,543.08 and 369,468.84
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Solution
The fourth proportional to 874,906.68, 1,312,543.08 and 369,468.84 is: 554,280.57
Step by Step Solution
- Step 1: Write the proportion equation
874,906.68 : 1,312,543.08 = 369,468.84 : x - Step 2: Convert to fraction form
874,906.68/1,312,543.08 = 369,468.84/x - Step 3: Cross multiply
874,906.68x = 1,312,543.08 × 369,468.84 - Step 4: Simplify right side
874,906.68x = 484,943,769,217.63 - Step 5: Solve for x
x = 484,943,769,217.63/874,906.68 - Step 6: Final answer
x = 554,280.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.