Finding the Fourth Proportional to 984,318.99, 1,476,601.65 and 385,202.79
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Solution
The fourth proportional to 984,318.99, 1,476,601.65 and 385,202.79 is: 577,852.39
Step by Step Solution
- Step 1: Write the proportion equation
984,318.99 : 1,476,601.65 = 385,202.79 : x - Step 2: Convert to fraction form
984,318.99/1,476,601.65 = 385,202.79/x - Step 3: Cross multiply
984,318.99x = 1,476,601.65 × 385,202.79 - Step 4: Simplify right side
984,318.99x = 568,791,075,298.60 - Step 5: Solve for x
x = 568,791,075,298.60/984,318.99 - Step 6: Final answer
x = 577,852.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.