Finding the Fourth Proportional to 647,998.11, 894,237.95 and 361,518.26
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Solution
The fourth proportional to 647,998.11, 894,237.95 and 361,518.26 is: 498,895.50
Step by Step Solution
- Step 1: Write the proportion equation
647,998.11 : 894,237.95 = 361,518.26 : x - Step 2: Convert to fraction form
647,998.11/894,237.95 = 361,518.26/x - Step 3: Cross multiply
647,998.11x = 894,237.95 × 361,518.26 - Step 4: Simplify right side
647,998.11x = 323,283,344,142.57 - Step 5: Solve for x
x = 323,283,344,142.57/647,998.11 - Step 6: Final answer
x = 498,895.50
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1.5x scale
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.