Finding the Fourth Proportional to 779,985.44, 1,170,153.12 and 247,523.84
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Solution
The fourth proportional to 779,985.44, 1,170,153.12 and 247,523.84 is: 371,341.28
Step by Step Solution
- Step 1: Write the proportion equation
779,985.44 : 1,170,153.12 = 247,523.84 : x - Step 2: Convert to fraction form
779,985.44/1,170,153.12 = 247,523.84/x - Step 3: Cross multiply
779,985.44x = 1,170,153.12 × 247,523.84 - Step 4: Simplify right side
779,985.44x = 289,640,793,650.38 - Step 5: Solve for x
x = 289,640,793,650.38/779,985.44 - Step 6: Final answer
x = 371,341.28
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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.