Finding the Fourth Proportional to 898,795.76, 1,239,516.70 and 702,588.15
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Solution
The fourth proportional to 898,795.76, 1,239,516.70 and 702,588.15 is: 968,929.52
Step by Step Solution
- Step 1: Write the proportion equation
898,795.76 : 1,239,516.70 = 702,588.15 : x - Step 2: Convert to fraction form
898,795.76/1,239,516.70 = 702,588.15/x - Step 3: Cross multiply
898,795.76x = 1,239,516.70 × 702,588.15 - Step 4: Simplify right side
898,795.76x = 870,869,745,147.11 - Step 5: Solve for x
x = 870,869,745,147.11/898,795.76 - Step 6: Final answer
x = 968,929.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.