Finding the Fourth Proportional to 790,188.18, 1,090,459.70 and 427,612.02
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Solution
The fourth proportional to 790,188.18, 1,090,459.70 and 427,612.02 is: 590,104.59
Step by Step Solution
- Step 1: Write the proportion equation
790,188.18 : 1,090,459.70 = 427,612.02 : x - Step 2: Convert to fraction form
790,188.18/1,090,459.70 = 427,612.02/x - Step 3: Cross multiply
790,188.18x = 1,090,459.70 × 427,612.02 - Step 4: Simplify right side
790,188.18x = 466,293,675,045.59 - Step 5: Solve for x
x = 466,293,675,045.59/790,188.18 - Step 6: Final answer
x = 590,104.59
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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.