Finding the Fourth Proportional to 663,044.10, 994,566.15 and 411,101.70
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Solution
The fourth proportional to 663,044.10, 994,566.15 and 411,101.70 is: 616,652.55
Step by Step Solution
- Step 1: Write the proportion equation
663,044.10 : 994,566.15 = 411,101.70 : x - Step 2: Convert to fraction form
663,044.10/994,566.15 = 411,101.70/x - Step 3: Cross multiply
663,044.10x = 994,566.15 × 411,101.70 - Step 4: Simplify right side
663,044.10x = 408,867,835,027.46 - Step 5: Solve for x
x = 408,867,835,027.46/663,044.10 - Step 6: Final answer
x = 616,652.55
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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.