Finding the Fourth Proportional to 878,545.10, 1,316,311.77 and 589,815.98
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Solution
The fourth proportional to 878,545.10, 1,316,311.77 and 589,815.98 is: 883,712.99
Step by Step Solution
- Step 1: Write the proportion equation
878,545.10 : 1,316,311.77 = 589,815.98 : x - Step 2: Convert to fraction form
878,545.10/1,316,311.77 = 589,815.98/x - Step 3: Cross multiply
878,545.10x = 1,316,311.77 × 589,815.98 - Step 4: Simplify right side
878,545.10x = 776,381,716,608.09 - Step 5: Solve for x
x = 776,381,716,608.09/878,545.10 - Step 6: Final answer
x = 883,712.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.