Finding the Fourth Proportional to 839,905.74, 1,159,093.17 and 513,271.62
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Solution
The fourth proportional to 839,905.74, 1,159,093.17 and 513,271.62 is: 708,329.04
Step by Step Solution
- Step 1: Write the proportion equation
839,905.74 : 1,159,093.17 = 513,271.62 : x - Step 2: Convert to fraction form
839,905.74/1,159,093.17 = 513,271.62/x - Step 3: Cross multiply
839,905.74x = 1,159,093.17 × 513,271.62 - Step 4: Simplify right side
839,905.74x = 594,929,629,096.84 - Step 5: Solve for x
x = 594,929,629,096.84/839,905.74 - Step 6: Final answer
x = 708,329.04
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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.