Finding the Fourth Proportional to 581,992.40, 873,644.70 and 449,460.20
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Solution
The fourth proportional to 581,992.40, 873,644.70 and 449,460.20 is: 674,696.99
Step by Step Solution
- Step 1: Write the proportion equation
581,992.40 : 873,644.70 = 449,460.20 : x - Step 2: Convert to fraction form
581,992.40/873,644.70 = 449,460.20/x - Step 3: Cross multiply
581,992.40x = 873,644.70 × 449,460.20 - Step 4: Simplify right side
581,992.40x = 392,668,521,590.94 - Step 5: Solve for x
x = 392,668,521,590.94/581,992.40 - Step 6: Final answer
x = 674,696.99
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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.