Finding the Fourth Proportional to 898,496.18, 1,239,950.28 and 490,623.92
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Solution
The fourth proportional to 898,496.18, 1,239,950.28 and 490,623.92 is: 677,074.96
Step by Step Solution
- Step 1: Write the proportion equation
898,496.18 : 1,239,950.28 = 490,623.92 : x - Step 2: Convert to fraction form
898,496.18/1,239,950.28 = 490,623.92/x - Step 3: Cross multiply
898,496.18x = 1,239,950.28 × 490,623.92 - Step 4: Simplify right side
898,496.18x = 608,349,264,525.58 - Step 5: Solve for x
x = 608,349,264,525.58/898,496.18 - Step 6: Final answer
x = 677,074.96
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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.