Finding the Fourth Proportional to 589,593.87, 813,387.42 and 385,290.18
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Solution
The fourth proportional to 589,593.87, 813,387.42 and 385,290.18 is: 531,535.69
Step by Step Solution
- Step 1: Write the proportion equation
589,593.87 : 813,387.42 = 385,290.18 : x - Step 2: Convert to fraction form
589,593.87/813,387.42 = 385,290.18/x - Step 3: Cross multiply
589,593.87x = 813,387.42 × 385,290.18 - Step 4: Simplify right side
589,593.87x = 313,390,185,461.54 - Step 5: Solve for x
x = 313,390,185,461.54/589,593.87 - Step 6: Final answer
x = 531,535.69
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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.