Finding the Fourth Proportional to 997,960.56, 1,377,186.18 and 539,075.19
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Solution
The fourth proportional to 997,960.56, 1,377,186.18 and 539,075.19 is: 743,924.09
Step by Step Solution
- Step 1: Write the proportion equation
997,960.56 : 1,377,186.18 = 539,075.19 : x - Step 2: Convert to fraction form
997,960.56/1,377,186.18 = 539,075.19/x - Step 3: Cross multiply
997,960.56x = 1,377,186.18 × 539,075.19 - Step 4: Simplify right side
997,960.56x = 742,406,901,648.87 - Step 5: Solve for x
x = 742,406,901,648.87/997,960.56 - Step 6: Final answer
x = 743,924.09
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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.