Finding the Fourth Proportional to 393,162.05, 588,878.71 and 324,920.70
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Solution
The fourth proportional to 393,162.05, 588,878.71 and 324,920.70 is: 486,666.71
Step by Step Solution
- Step 1: Write the proportion equation
393,162.05 : 588,878.71 = 324,920.70 : x - Step 2: Convert to fraction form
393,162.05/588,878.71 = 324,920.70/x - Step 3: Cross multiply
393,162.05x = 588,878.71 × 324,920.70 - Step 4: Simplify right side
393,162.05x = 191,338,881,856.00 - Step 5: Solve for x
x = 191,338,881,856.00/393,162.05 - Step 6: Final answer
x = 486,666.71
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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.