Finding the Fourth Proportional to 830,625.18, 1,146,286.55 and 468,029.09
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Solution
The fourth proportional to 830,625.18, 1,146,286.55 and 468,029.09 is: 645,893.55
Step by Step Solution
- Step 1: Write the proportion equation
830,625.18 : 1,146,286.55 = 468,029.09 : x - Step 2: Convert to fraction form
830,625.18/1,146,286.55 = 468,029.09/x - Step 3: Cross multiply
830,625.18x = 1,146,286.55 × 468,029.09 - Step 4: Simplify right side
830,625.18x = 536,495,442,804.16 - Step 5: Solve for x
x = 536,495,442,804.16/830,625.18 - Step 6: Final answer
x = 645,893.55
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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.