Finding the Fourth Proportional to 984,211.54, 1,358,211.99 and 531,502.54
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Solution
The fourth proportional to 984,211.54, 1,358,211.99 and 531,502.54 is: 733,473.54
Step by Step Solution
- Step 1: Write the proportion equation
984,211.54 : 1,358,211.99 = 531,502.54 : x - Step 2: Convert to fraction form
984,211.54/1,358,211.99 = 531,502.54/x - Step 3: Cross multiply
984,211.54x = 1,358,211.99 × 531,502.54 - Step 4: Simplify right side
984,211.54x = 721,893,122,543.46 - Step 5: Solve for x
x = 721,893,122,543.46/984,211.54 - Step 6: Final answer
x = 733,473.54
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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.