Finding the Fourth Proportional to 818,827.33, 1,228,386.81 and 279,053.68
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Solution
The fourth proportional to 818,827.33, 1,228,386.81 and 279,053.68 is: 418,630.21
Step by Step Solution
- Step 1: Write the proportion equation
818,827.33 : 1,228,386.81 = 279,053.68 : x - Step 2: Convert to fraction form
818,827.33/1,228,386.81 = 279,053.68/x - Step 3: Cross multiply
818,827.33x = 1,228,386.81 × 279,053.68 - Step 4: Simplify right side
818,827.33x = 342,785,853,652.03 - Step 5: Solve for x
x = 342,785,853,652.03/818,827.33 - Step 6: Final answer
x = 418,630.21
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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.