Finding the Fourth Proportional to 486,130.96, 728,146.68 and 474,233.68
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Solution
The fourth proportional to 486,130.96, 728,146.68 and 474,233.68 is: 710,326.45
Step by Step Solution
- Step 1: Write the proportion equation
486,130.96 : 728,146.68 = 474,233.68 : x - Step 2: Convert to fraction form
486,130.96/728,146.68 = 474,233.68/x - Step 3: Cross multiply
486,130.96x = 728,146.68 × 474,233.68 - Step 4: Simplify right side
486,130.96x = 345,311,679,636.18 - Step 5: Solve for x
x = 345,311,679,636.18/486,130.96 - Step 6: Final answer
x = 710,326.45
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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.