Finding the Fourth Proportional to 561,943.98, 842,477.76 and 381,553.74
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Solution
The fourth proportional to 561,943.98, 842,477.76 and 381,553.74 is: 572,033.07
Step by Step Solution
- Step 1: Write the proportion equation
561,943.98 : 842,477.76 = 381,553.74 : x - Step 2: Convert to fraction form
561,943.98/842,477.76 = 381,553.74/x - Step 3: Cross multiply
561,943.98x = 842,477.76 × 381,553.74 - Step 4: Simplify right side
561,943.98x = 321,450,540,194.82 - Step 5: Solve for x
x = 321,450,540,194.82/561,943.98 - Step 6: Final answer
x = 572,033.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.