Finding the Fourth Proportional to 984,331.94, 1,476,621.03 and 385,215.71
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Solution
The fourth proportional to 984,331.94, 1,476,621.03 and 385,215.71 is: 577,871.75
Step by Step Solution
- Step 1: Write the proportion equation
984,331.94 : 1,476,621.03 = 385,215.71 : x - Step 2: Convert to fraction form
984,331.94/1,476,621.03 = 385,215.71/x - Step 3: Cross multiply
984,331.94x = 1,476,621.03 × 385,215.71 - Step 4: Simplify right side
984,331.94x = 568,817,618,472.38 - Step 5: Solve for x
x = 568,817,618,472.38/984,331.94 - Step 6: Final answer
x = 577,871.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.