Finding the Fourth Proportional to 1,687,299.96, 2,531,321.74 and 489,272.30
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Solution
The fourth proportional to 1,687,299.96, 2,531,321.74 and 489,272.30 is: 734,016.26
Step by Step Solution
- Step 1: Write the proportion equation
1,687,299.96 : 2,531,321.74 = 489,272.30 : x - Step 2: Convert to fraction form
1,687,299.96/2,531,321.74 = 489,272.30/x - Step 3: Cross multiply
1,687,299.96x = 2,531,321.74 × 489,272.30 - Step 4: Simplify right side
1,687,299.96x = 1,238,505,604,465.08 - Step 5: Solve for x
x = 1,238,505,604,465.08/1,687,299.96 - Step 6: Final answer
x = 734,016.26
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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.