Finding the Fourth Proportional to 880,762.84, 1,215,458.94 and 478,354.84
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Solution
The fourth proportional to 880,762.84, 1,215,458.94 and 478,354.84 is: 660,133.06
Step by Step Solution
- Step 1: Write the proportion equation
880,762.84 : 1,215,458.94 = 478,354.84 : x - Step 2: Convert to fraction form
880,762.84/1,215,458.94 = 478,354.84/x - Step 3: Cross multiply
880,762.84x = 1,215,458.94 × 478,354.84 - Step 4: Simplify right side
880,762.84x = 581,420,666,770.27 - Step 5: Solve for x
x = 581,420,666,770.27/880,762.84 - Step 6: Final answer
x = 660,133.06
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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.