Finding the Fourth Proportional to 886,424.56, 1,223,362.20 and 546,884.08
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Solution
The fourth proportional to 886,424.56, 1,223,362.20 and 546,884.08 is: 754,759.45
Step by Step Solution
- Step 1: Write the proportion equation
886,424.56 : 1,223,362.20 = 546,884.08 : x - Step 2: Convert to fraction form
886,424.56/1,223,362.20 = 546,884.08/x - Step 3: Cross multiply
886,424.56x = 1,223,362.20 × 546,884.08 - Step 4: Simplify right side
886,424.56x = 669,037,311,253.78 - Step 5: Solve for x
x = 669,037,311,253.78/886,424.56 - Step 6: Final answer
x = 754,759.45
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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.