Finding the Fourth Proportional to 668,315.88, 922,324.79 and 381,829.82
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Solution
The fourth proportional to 668,315.88, 922,324.79 and 381,829.82 is: 526,953.07
Step by Step Solution
- Step 1: Write the proportion equation
668,315.88 : 922,324.79 = 381,829.82 : x - Step 2: Convert to fraction form
668,315.88/922,324.79 = 381,829.82/x - Step 3: Cross multiply
668,315.88x = 922,324.79 × 381,829.82 - Step 4: Simplify right side
668,315.88x = 352,171,104,890.19 - Step 5: Solve for x
x = 352,171,104,890.19/668,315.88 - Step 6: Final answer
x = 526,953.07
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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.