Finding the Fourth Proportional to 563,415.84, 777,519.84 and 308,761.44
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Solution
The fourth proportional to 563,415.84, 777,519.84 and 308,761.44 is: 426,094.06
Step by Step Solution
- Step 1: Write the proportion equation
563,415.84 : 777,519.84 = 308,761.44 : x - Step 2: Convert to fraction form
563,415.84/777,519.84 = 308,761.44/x - Step 3: Cross multiply
563,415.84x = 777,519.84 × 308,761.44 - Step 4: Simplify right side
563,415.84x = 240,068,145,426.97 - Step 5: Solve for x
x = 240,068,145,426.97/563,415.84 - Step 6: Final answer
x = 426,094.06
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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.