Finding the Fourth Proportional to 487,473.80, 731,210.70 and 369,375.80
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Solution
The fourth proportional to 487,473.80, 731,210.70 and 369,375.80 is: 554,063.70
Step by Step Solution
- Step 1: Write the proportion equation
487,473.80 : 731,210.70 = 369,375.80 : x - Step 2: Convert to fraction form
487,473.80/731,210.70 = 369,375.80/x - Step 3: Cross multiply
487,473.80x = 731,210.70 × 369,375.80 - Step 4: Simplify right side
487,473.80x = 270,091,537,281.06 - Step 5: Solve for x
x = 270,091,537,281.06/487,473.80 - Step 6: Final answer
x = 554,063.70
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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.