Finding the Fourth Proportional to 611,252.74, 843,532.02 and 381,943.09
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Solution
The fourth proportional to 611,252.74, 843,532.02 and 381,943.09 is: 527,083.49
Step by Step Solution
- Step 1: Write the proportion equation
611,252.74 : 843,532.02 = 381,943.09 : x - Step 2: Convert to fraction form
611,252.74/843,532.02 = 381,943.09/x - Step 3: Cross multiply
611,252.74x = 843,532.02 × 381,943.09 - Step 4: Simplify right side
611,252.74x = 322,181,224,323.03 - Step 5: Solve for x
x = 322,181,224,323.03/611,252.74 - Step 6: Final answer
x = 527,083.49
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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.