Finding the Fourth Proportional to 471,808.62, 707,122.73 and 371,572.94
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Solution
The fourth proportional to 471,808.62, 707,122.73 and 371,572.94 is: 556,894.59
Step by Step Solution
- Step 1: Write the proportion equation
471,808.62 : 707,122.73 = 371,572.94 : x - Step 2: Convert to fraction form
471,808.62/707,122.73 = 371,572.94/x - Step 3: Cross multiply
471,808.62x = 707,122.73 × 371,572.94 - Step 4: Simplify right side
471,808.62x = 262,747,666,333.45 - Step 5: Solve for x
x = 262,747,666,333.45/471,808.62 - Step 6: Final answer
x = 556,894.59
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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.