Finding the Fourth Proportional to 993,152.41, 1,489,876.84 and 460,727.26
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Solution
The fourth proportional to 993,152.41, 1,489,876.84 and 460,727.26 is: 691,159.65
Step by Step Solution
- Step 1: Write the proportion equation
993,152.41 : 1,489,876.84 = 460,727.26 : x - Step 2: Convert to fraction form
993,152.41/1,489,876.84 = 460,727.26/x - Step 3: Cross multiply
993,152.41x = 1,489,876.84 × 460,727.26 - Step 4: Simplify right side
993,152.41x = 686,426,871,081.88 - Step 5: Solve for x
x = 686,426,871,081.88/993,152.41 - Step 6: Final answer
x = 691,159.65
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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.