Finding the Fourth Proportional to 743,153.04, 1,114,444.26 and 316,418.31
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Solution
The fourth proportional to 743,153.04, 1,114,444.26 and 316,418.31 is: 474,505.99
Step by Step Solution
- Step 1: Write the proportion equation
743,153.04 : 1,114,444.26 = 316,418.31 : x - Step 2: Convert to fraction form
743,153.04/1,114,444.26 = 316,418.31/x - Step 3: Cross multiply
743,153.04x = 1,114,444.26 × 316,418.31 - Step 4: Simplify right side
743,153.04x = 352,630,569,338.40 - Step 5: Solve for x
x = 352,630,569,338.40/743,153.04 - Step 6: Final answer
x = 474,505.99
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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.