Finding the Fourth Proportional to 898,477.97, 1,239,925.12 and 490,605.65
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Solution
The fourth proportional to 898,477.97, 1,239,925.12 and 490,605.65 is: 677,049.74
Step by Step Solution
- Step 1: Write the proportion equation
898,477.97 : 1,239,925.12 = 490,605.65 : x - Step 2: Convert to fraction form
898,477.97/1,239,925.12 = 490,605.65/x - Step 3: Cross multiply
898,477.97x = 1,239,925.12 × 490,605.65 - Step 4: Simplify right side
898,477.97x = 608,314,271,322.23 - Step 5: Solve for x
x = 608,314,271,322.23/898,477.97 - Step 6: Final answer
x = 677,049.74
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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.