Finding the Fourth Proportional to 750,832.18, 1,126,414.35 and 413,699.29
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Solution
The fourth proportional to 750,832.18, 1,126,414.35 and 413,699.29 is: 620,640.44
Step by Step Solution
- Step 1: Write the proportion equation
750,832.18 : 1,126,414.35 = 413,699.29 : x - Step 2: Convert to fraction form
750,832.18/1,126,414.35 = 413,699.29/x - Step 3: Cross multiply
750,832.18x = 1,126,414.35 × 413,699.29 - Step 4: Simplify right side
750,832.18x = 465,996,816,840.81 - Step 5: Solve for x
x = 465,996,816,840.81/750,832.18 - Step 6: Final answer
x = 620,640.44
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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.