Finding the Fourth Proportional to 880,057.34, 1,214,270.98 and 498,084.12
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Solution
The fourth proportional to 880,057.34, 1,214,270.98 and 498,084.12 is: 687,238.28
Step by Step Solution
- Step 1: Write the proportion equation
880,057.34 : 1,214,270.98 = 498,084.12 : x - Step 2: Convert to fraction form
880,057.34/1,214,270.98 = 498,084.12/x - Step 3: Cross multiply
880,057.34x = 1,214,270.98 × 498,084.12 - Step 4: Simplify right side
880,057.34x = 604,809,092,514.84 - Step 5: Solve for x
x = 604,809,092,514.84/880,057.34 - Step 6: Final answer
x = 687,238.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.