Finding the Fourth Proportional to 628,343.46, 867,135.58 and 341,874.41
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Solution
The fourth proportional to 628,343.46, 867,135.58 and 341,874.41 is: 471,798.43
Step by Step Solution
- Step 1: Write the proportion equation
628,343.46 : 867,135.58 = 341,874.41 : x - Step 2: Convert to fraction form
628,343.46/867,135.58 = 341,874.41/x - Step 3: Cross multiply
628,343.46x = 867,135.58 × 341,874.41 - Step 4: Simplify right side
628,343.46x = 296,451,459,612.14 - Step 5: Solve for x
x = 296,451,459,612.14/628,343.46 - Step 6: Final answer
x = 471,798.43
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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.