Finding the Fourth Proportional to 1,108,947.75, 1,663,482.17 and 350,732.63
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Solution
The fourth proportional to 1,108,947.75, 1,663,482.17 and 350,732.63 is: 526,118.09
Step by Step Solution
- Step 1: Write the proportion equation
1,108,947.75 : 1,663,482.17 = 350,732.63 : x - Step 2: Convert to fraction form
1,108,947.75/1,663,482.17 = 350,732.63/x - Step 3: Cross multiply
1,108,947.75x = 1,663,482.17 × 350,732.63 - Step 4: Simplify right side
1,108,947.75x = 583,437,476,442.21 - Step 5: Solve for x
x = 583,437,476,442.21/1,108,947.75 - Step 6: Final answer
x = 526,118.09
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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.