Finding the Fourth Proportional to 669,340.80, 923,685.12 and 367,534.08
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Solution
The fourth proportional to 669,340.80, 923,685.12 and 367,534.08 is: 507,194.18
Step by Step Solution
- Step 1: Write the proportion equation
669,340.80 : 923,685.12 = 367,534.08 : x - Step 2: Convert to fraction form
669,340.80/923,685.12 = 367,534.08/x - Step 3: Cross multiply
669,340.80x = 923,685.12 × 367,534.08 - Step 4: Simplify right side
669,340.80x = 339,485,760,788.89 - Step 5: Solve for x
x = 339,485,760,788.89/669,340.80 - Step 6: Final answer
x = 507,194.18
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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.