Finding the Fourth Proportional to 658,008.84, 908,051.10 and 356,202.84
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Solution
The fourth proportional to 658,008.84, 908,051.10 and 356,202.84 is: 491,559.32
Step by Step Solution
- Step 1: Write the proportion equation
658,008.84 : 908,051.10 = 356,202.84 : x - Step 2: Convert to fraction form
658,008.84/908,051.10 = 356,202.84/x - Step 3: Cross multiply
658,008.84x = 908,051.10 × 356,202.84 - Step 4: Simplify right side
658,008.84x = 323,450,380,685.12 - Step 5: Solve for x
x = 323,450,380,685.12/658,008.84 - Step 6: Final answer
x = 491,559.32
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1.5x scale
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.