Finding the Fourth Proportional to 637,485.62, 879,762.48 and 361,862.88
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Solution
The fourth proportional to 637,485.62, 879,762.48 and 361,862.88 is: 499,389.12
Step by Step Solution
- Step 1: Write the proportion equation
637,485.62 : 879,762.48 = 361,862.88 : x - Step 2: Convert to fraction form
637,485.62/879,762.48 = 361,862.88/x - Step 3: Cross multiply
637,485.62x = 879,762.48 × 361,862.88 - Step 4: Simplify right side
637,485.62x = 318,353,384,728.74 - Step 5: Solve for x
x = 318,353,384,728.74/637,485.62 - Step 6: Final answer
x = 499,389.12
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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.