Finding the Fourth Proportional to 857,934.71, 1,183,910.18 and 470,740.49
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Solution
The fourth proportional to 857,934.71, 1,183,910.18 and 470,740.49 is: 649,600.08
Step by Step Solution
- Step 1: Write the proportion equation
857,934.71 : 1,183,910.18 = 470,740.49 : x - Step 2: Convert to fraction form
857,934.71/1,183,910.18 = 470,740.49/x - Step 3: Cross multiply
857,934.71x = 1,183,910.18 × 470,740.49 - Step 4: Simplify right side
857,934.71x = 557,314,449,975.94 - Step 5: Solve for x
x = 557,314,449,975.94/857,934.71 - Step 6: Final answer
x = 649,600.08
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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.