Finding the Fourth Proportional to 705,285.24, 973,353.94 and 399,415.68
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Solution
The fourth proportional to 705,285.24, 973,353.94 and 399,415.68 is: 551,227.79
Step by Step Solution
- Step 1: Write the proportion equation
705,285.24 : 973,353.94 = 399,415.68 : x - Step 2: Convert to fraction form
705,285.24/973,353.94 = 399,415.68/x - Step 3: Cross multiply
705,285.24x = 973,353.94 × 399,415.68 - Step 4: Simplify right side
705,285.24x = 388,772,825,825.78 - Step 5: Solve for x
x = 388,772,825,825.78/705,285.24 - Step 6: Final answer
x = 551,227.79
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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.