Finding the Fourth Proportional to 987,210.33, 1,480,880.08 and 304,013.40
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Solution
The fourth proportional to 987,210.33, 1,480,880.08 and 304,013.40 is: 456,039.99
Step by Step Solution
- Step 1: Write the proportion equation
987,210.33 : 1,480,880.08 = 304,013.40 : x - Step 2: Convert to fraction form
987,210.33/1,480,880.08 = 304,013.40/x - Step 3: Cross multiply
987,210.33x = 1,480,880.08 × 304,013.40 - Step 4: Simplify right side
987,210.33x = 450,207,394,806.42 - Step 5: Solve for x
x = 450,207,394,806.42/987,210.33 - Step 6: Final answer
x = 456,039.99
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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.