Finding the Fourth Proportional to 989,569.05, 1,484,353.58 and 884,593.05
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Solution
The fourth proportional to 989,569.05, 1,484,353.58 and 884,593.05 is: 1,326,889.58
Step by Step Solution
- Step 1: Write the proportion equation
989,569.05 : 1,484,353.58 = 884,593.05 : x - Step 2: Convert to fraction form
989,569.05/1,484,353.58 = 884,593.05/x - Step 3: Cross multiply
989,569.05x = 1,484,353.58 × 884,593.05 - Step 4: Simplify right side
989,569.05x = 1,313,048,856,187.65 - Step 5: Solve for x
x = 1,313,048,856,187.65/989,569.05 - Step 6: Final answer
x = 1,326,889.58
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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.