Finding the Fourth Proportional to 534,539.10, 737,072.82 and 340,639.65
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Solution
The fourth proportional to 534,539.10, 737,072.82 and 340,639.65 is: 469,706.01
Step by Step Solution
- Step 1: Write the proportion equation
534,539.10 : 737,072.82 = 340,639.65 : x - Step 2: Convert to fraction form
534,539.10/737,072.82 = 340,639.65/x - Step 3: Cross multiply
534,539.10x = 737,072.82 × 340,639.65 - Step 4: Simplify right side
534,539.10x = 251,076,227,429.31 - Step 5: Solve for x
x = 251,076,227,429.31/534,539.10 - Step 6: Final answer
x = 469,706.01
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1.5x scale
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.