Finding the Fourth Proportional to 576,949.13, 796,187.84 and 318,818.87
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Solution
The fourth proportional to 576,949.13, 796,187.84 and 318,818.87 is: 439,968.95
Step by Step Solution
- Step 1: Write the proportion equation
576,949.13 : 796,187.84 = 318,818.87 : x - Step 2: Convert to fraction form
576,949.13/796,187.84 = 318,818.87/x - Step 3: Cross multiply
576,949.13x = 796,187.84 × 318,818.87 - Step 4: Simplify right side
576,949.13x = 253,839,701,881.51 - Step 5: Solve for x
x = 253,839,701,881.51/576,949.13 - Step 6: Final answer
x = 439,968.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.