Finding the Fourth Proportional to 534,374.70, 737,936.64 and 343,719.06
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Solution
The fourth proportional to 534,374.70, 737,936.64 and 343,719.06 is: 474,653.62
Step by Step Solution
- Step 1: Write the proportion equation
534,374.70 : 737,936.64 = 343,719.06 : x - Step 2: Convert to fraction form
534,374.70/737,936.64 = 343,719.06/x - Step 3: Cross multiply
534,374.70x = 737,936.64 × 343,719.06 - Step 4: Simplify right side
534,374.70x = 253,642,888,240.36 - Step 5: Solve for x
x = 253,642,888,240.36/534,374.70 - Step 6: Final answer
x = 474,653.62
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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.