Finding the Fourth Proportional to 692,236.49, 1,038,464.51 and 292,880.25
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Solution
The fourth proportional to 692,236.49, 1,038,464.51 and 292,880.25 is: 439,366.82
Step by Step Solution
- Step 1: Write the proportion equation
692,236.49 : 1,038,464.51 = 292,880.25 : x - Step 2: Convert to fraction form
692,236.49/1,038,464.51 = 292,880.25/x - Step 3: Cross multiply
692,236.49x = 1,038,464.51 × 292,880.25 - Step 4: Simplify right side
692,236.49x = 304,145,743,840.53 - Step 5: Solve for x
x = 304,145,743,840.53/692,236.49 - Step 6: Final answer
x = 439,366.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.