Finding the Fourth Proportional to 898,533.37, 1,239,982.05 and 490,638.05
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Solution
The fourth proportional to 898,533.37, 1,239,982.05 and 490,638.05 is: 677,083.78
Step by Step Solution
- Step 1: Write the proportion equation
898,533.37 : 1,239,982.05 = 490,638.05 : x - Step 2: Convert to fraction form
898,533.37/1,239,982.05 = 490,638.05/x - Step 3: Cross multiply
898,533.37x = 1,239,982.05 × 490,638.05 - Step 4: Simplify right side
898,533.37x = 608,382,375,047.00 - Step 5: Solve for x
x = 608,382,375,047.00/898,533.37 - Step 6: Final answer
x = 677,083.78
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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.