Finding the Fourth Proportional to 830,180.41, 1,243,768.84 and 381,276.79
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Solution
The fourth proportional to 830,180.41, 1,243,768.84 and 381,276.79 is: 571,225.47
Step by Step Solution
- Step 1: Write the proportion equation
830,180.41 : 1,243,768.84 = 381,276.79 : x - Step 2: Convert to fraction form
830,180.41/1,243,768.84 = 381,276.79/x - Step 3: Cross multiply
830,180.41x = 1,243,768.84 × 381,276.79 - Step 4: Simplify right side
830,180.41x = 474,220,190,817.22 - Step 5: Solve for x
x = 474,220,190,817.22/830,180.41 - Step 6: Final answer
x = 571,225.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.