Finding the Fourth Proportional to 690,741.06, 1,036,702.05 and 270,312.18
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Solution
The fourth proportional to 690,741.06, 1,036,702.05 and 270,312.18 is: 405,699.34
Step by Step Solution
- Step 1: Write the proportion equation
690,741.06 : 1,036,702.05 = 270,312.18 : x - Step 2: Convert to fraction form
690,741.06/1,036,702.05 = 270,312.18/x - Step 3: Cross multiply
690,741.06x = 1,036,702.05 × 270,312.18 - Step 4: Simplify right side
690,741.06x = 280,233,191,145.97 - Step 5: Solve for x
x = 280,233,191,145.97/690,741.06 - Step 6: Final answer
x = 405,699.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.