Finding the Fourth Proportional to 898,534.25, 1,239,983.26 and 490,638.93
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Solution
The fourth proportional to 898,534.25, 1,239,983.26 and 490,638.93 is: 677,085.00
Step by Step Solution
- Step 1: Write the proportion equation
898,534.25 : 1,239,983.26 = 490,638.93 : x - Step 2: Convert to fraction form
898,534.25/1,239,983.26 = 490,638.93/x - Step 3: Cross multiply
898,534.25x = 1,239,983.26 × 490,638.93 - Step 4: Simplify right side
898,534.25x = 608,384,059,904.31 - Step 5: Solve for x
x = 608,384,059,904.31/898,534.25 - Step 6: Final answer
x = 677,085.00
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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.