Finding the Fourth Proportional to 637,619.88, 879,651.30 and 379,445.08
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Solution
The fourth proportional to 637,619.88, 879,651.30 and 379,445.08 is: 523,477.03
Step by Step Solution
- Step 1: Write the proportion equation
637,619.88 : 879,651.30 = 379,445.08 : x - Step 2: Convert to fraction form
637,619.88/879,651.30 = 379,445.08/x - Step 3: Cross multiply
637,619.88x = 879,651.30 × 379,445.08 - Step 4: Simplify right side
637,619.88x = 333,779,357,900.60 - Step 5: Solve for x
x = 333,779,357,900.60/637,619.88 - Step 6: Final answer
x = 523,477.03
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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.