Finding the Fourth Proportional to 581,684.68, 802,455.42 and 339,977.44
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Solution
The fourth proportional to 581,684.68, 802,455.42 and 339,977.44 is: 469,011.39
Step by Step Solution
- Step 1: Write the proportion equation
581,684.68 : 802,455.42 = 339,977.44 : x - Step 2: Convert to fraction form
581,684.68/802,455.42 = 339,977.44/x - Step 3: Cross multiply
581,684.68x = 802,455.42 × 339,977.44 - Step 4: Simplify right side
581,684.68x = 272,816,739,405.73 - Step 5: Solve for x
x = 272,816,739,405.73/581,684.68 - Step 6: Final answer
x = 469,011.39
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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.