Finding the Fourth Proportional to 589,239.63, 813,124.44 and 344,247.12
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Solution
The fourth proportional to 589,239.63, 813,124.44 and 344,247.12 is: 475,045.69
Step by Step Solution
- Step 1: Write the proportion equation
589,239.63 : 813,124.44 = 344,247.12 : x - Step 2: Convert to fraction form
589,239.63/813,124.44 = 344,247.12/x - Step 3: Cross multiply
589,239.63x = 813,124.44 × 344,247.12 - Step 4: Simplify right side
589,239.63x = 279,915,746,671.61 - Step 5: Solve for x
x = 279,915,746,671.61/589,239.63 - Step 6: Final answer
x = 475,045.69
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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.