Finding the Fourth Proportional to 788,722.98, 1,183,284.05 and 220,104.02
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Solution
The fourth proportional to 788,722.98, 1,183,284.05 and 220,104.02 is: 330,211.72
Step by Step Solution
- Step 1: Write the proportion equation
788,722.98 : 1,183,284.05 = 220,104.02 : x - Step 2: Convert to fraction form
788,722.98/1,183,284.05 = 220,104.02/x - Step 3: Cross multiply
788,722.98x = 1,183,284.05 × 220,104.02 - Step 4: Simplify right side
788,722.98x = 260,445,569,189.94 - Step 5: Solve for x
x = 260,445,569,189.94/788,722.98 - Step 6: Final answer
x = 330,211.72
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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.