Finding the Fourth Proportional to 696,004.94, 960,566.49 and 390,163.92
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Solution
The fourth proportional to 696,004.94, 960,566.49 and 390,163.92 is: 538,470.88
Step by Step Solution
- Step 1: Write the proportion equation
696,004.94 : 960,566.49 = 390,163.92 : x - Step 2: Convert to fraction form
696,004.94/960,566.49 = 390,163.92/x - Step 3: Cross multiply
696,004.94x = 960,566.49 × 390,163.92 - Step 4: Simplify right side
696,004.94x = 374,778,387,159.04 - Step 5: Solve for x
x = 374,778,387,159.04/696,004.94 - Step 6: Final answer
x = 538,470.88
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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.