Finding the Fourth Proportional to 576,832.79, 796,024.49 and 318,708.93
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Solution
The fourth proportional to 576,832.79, 796,024.49 and 318,708.93 is: 439,815.69
Step by Step Solution
- Step 1: Write the proportion equation
576,832.79 : 796,024.49 = 318,708.93 : x - Step 2: Convert to fraction form
576,832.79/796,024.49 = 318,708.93/x - Step 3: Cross multiply
576,832.79x = 796,024.49 × 318,708.93 - Step 4: Simplify right side
576,832.79x = 253,700,111,271.97 - Step 5: Solve for x
x = 253,700,111,271.97/576,832.79 - Step 6: Final answer
x = 439,815.69
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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.