Finding the Fourth Proportional to 494,730.24, 682,742.94 and 279,865.98
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Solution
The fourth proportional to 494,730.24, 682,742.94 and 279,865.98 is: 386,223.66
Step by Step Solution
- Step 1: Write the proportion equation
494,730.24 : 682,742.94 = 279,865.98 : x - Step 2: Convert to fraction form
494,730.24/682,742.94 = 279,865.98/x - Step 3: Cross multiply
494,730.24x = 682,742.94 × 279,865.98 - Step 4: Simplify right side
494,730.24x = 191,076,521,991.18 - Step 5: Solve for x
x = 191,076,521,991.18/494,730.24 - Step 6: Final answer
x = 386,223.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.