Finding the Fourth Proportional to 762,176.18, 1,051,813.81 and 418,042.10
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Solution
The fourth proportional to 762,176.18, 1,051,813.81 and 418,042.10 is: 576,903.96
Step by Step Solution
- Step 1: Write the proportion equation
762,176.18 : 1,051,813.81 = 418,042.10 : x - Step 2: Convert to fraction form
762,176.18/1,051,813.81 = 418,042.10/x - Step 3: Cross multiply
762,176.18x = 1,051,813.81 × 418,042.10 - Step 4: Simplify right side
762,176.18x = 439,702,453,941.40 - Step 5: Solve for x
x = 439,702,453,941.40/762,176.18 - Step 6: Final answer
x = 576,903.96
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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.