Finding the Fourth Proportional to 637,409.58, 879,608.16 and 350,931.84
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Solution
The fourth proportional to 637,409.58, 879,608.16 and 350,931.84 is: 484,276.55
Step by Step Solution
- Step 1: Write the proportion equation
637,409.58 : 879,608.16 = 350,931.84 : x - Step 2: Convert to fraction form
637,409.58/879,608.16 = 350,931.84/x - Step 3: Cross multiply
637,409.58x = 879,608.16 × 350,931.84 - Step 4: Simplify right side
637,409.58x = 308,682,510,067.81 - Step 5: Solve for x
x = 308,682,510,067.81/637,409.58 - Step 6: Final answer
x = 484,276.55
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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.