Finding the Fourth Proportional to 664,340.20, 999,134.70 and 596,105.80
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Solution
The fourth proportional to 664,340.20, 999,134.70 and 596,105.80 is: 896,513.55
Step by Step Solution
- Step 1: Write the proportion equation
664,340.20 : 999,134.70 = 596,105.80 : x - Step 2: Convert to fraction form
664,340.20/999,134.70 = 596,105.80/x - Step 3: Cross multiply
664,340.20x = 999,134.70 × 596,105.80 - Step 4: Simplify right side
664,340.20x = 595,589,989,651.26 - Step 5: Solve for x
x = 595,589,989,651.26/664,340.20 - Step 6: Final answer
x = 896,513.55
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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.