Finding the Fourth Proportional to 696,793.93, 961,574.06 and 386,744.03
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Solution
The fourth proportional to 696,793.93, 961,574.06 and 386,744.03 is: 533,705.89
Step by Step Solution
- Step 1: Write the proportion equation
696,793.93 : 961,574.06 = 386,744.03 : x - Step 2: Convert to fraction form
696,793.93/961,574.06 = 386,744.03/x - Step 3: Cross multiply
696,793.93x = 961,574.06 × 386,744.03 - Step 4: Simplify right side
696,793.93x = 371,883,027,137.24 - Step 5: Solve for x
x = 371,883,027,137.24/696,793.93 - Step 6: Final answer
x = 533,705.89
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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.