Finding the Fourth Proportional to 1,115,296.26, 1,672,941.08 and 316,578.48
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Solution
The fourth proportional to 1,115,296.26, 1,672,941.08 and 316,578.48 is: 474,866.78
Step by Step Solution
- Step 1: Write the proportion equation
1,115,296.26 : 1,672,941.08 = 316,578.48 : x - Step 2: Convert to fraction form
1,115,296.26/1,672,941.08 = 316,578.48/x - Step 3: Cross multiply
1,115,296.26x = 1,672,941.08 × 316,578.48 - Step 4: Simplify right side
1,115,296.26x = 529,617,144,235.96 - Step 5: Solve for x
x = 529,617,144,235.96/1,115,296.26 - Step 6: Final answer
x = 474,866.78
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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.