Finding the Fourth Proportional to 793,990.74, 1,190,316.52 and 344,372.96
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Solution
The fourth proportional to 793,990.74, 1,190,316.52 and 344,372.96 is: 516,269.02
Step by Step Solution
- Step 1: Write the proportion equation
793,990.74 : 1,190,316.52 = 344,372.96 : x - Step 2: Convert to fraction form
793,990.74/1,190,316.52 = 344,372.96/x - Step 3: Cross multiply
793,990.74x = 1,190,316.52 × 344,372.96 - Step 4: Simplify right side
793,990.74x = 409,912,823,329.30 - Step 5: Solve for x
x = 409,912,823,329.30/793,990.74 - Step 6: Final answer
x = 516,269.02
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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.