Finding the Fourth Proportional to 790,210.09, 1,090,492.61 and 427,633.84
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Solution
The fourth proportional to 790,210.09, 1,090,492.61 and 427,633.84 is: 590,136.15
Step by Step Solution
- Step 1: Write the proportion equation
790,210.09 : 1,090,492.61 = 427,633.84 : x - Step 2: Convert to fraction form
790,210.09/1,090,492.61 = 427,633.84/x - Step 3: Cross multiply
790,210.09x = 1,090,492.61 × 427,633.84 - Step 4: Simplify right side
790,210.09x = 466,331,541,530.87 - Step 5: Solve for x
x = 466,331,541,530.87/790,210.09 - Step 6: Final answer
x = 590,136.15
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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.