Finding the Fourth Proportional to 1,007,282.67, 1,510,983.21 and 287,569.08
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Solution
The fourth proportional to 1,007,282.67, 1,510,983.21 and 287,569.08 is: 431,370.52
Step by Step Solution
- Step 1: Write the proportion equation
1,007,282.67 : 1,510,983.21 = 287,569.08 : x - Step 2: Convert to fraction form
1,007,282.67/1,510,983.21 = 287,569.08/x - Step 3: Cross multiply
1,007,282.67x = 1,510,983.21 × 287,569.08 - Step 4: Simplify right side
1,007,282.67x = 434,512,051,595.15 - Step 5: Solve for x
x = 434,512,051,595.15/1,007,282.67 - Step 6: Final answer
x = 431,370.52
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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.