Finding the Fourth Proportional to 637,418.84, 879,622.07 and 361,828.15
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Solution
The fourth proportional to 637,418.84, 879,622.07 and 361,828.15 is: 499,313.80
Step by Step Solution
- Step 1: Write the proportion equation
637,418.84 : 879,622.07 = 361,828.15 : x - Step 2: Convert to fraction form
637,418.84/879,622.07 = 361,828.15/x - Step 3: Cross multiply
637,418.84x = 879,622.07 × 361,828.15 - Step 4: Simplify right side
637,418.84x = 318,272,022,279.08 - Step 5: Solve for x
x = 318,272,022,279.08/637,418.84 - Step 6: Final answer
x = 499,313.80
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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.