Finding the Fourth Proportional to 897,939.04, 1,239,181.98 and 490,067.08
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Solution
The fourth proportional to 897,939.04, 1,239,181.98 and 490,067.08 is: 676,306.82
Step by Step Solution
- Step 1: Write the proportion equation
897,939.04 : 1,239,181.98 = 490,067.08 : x - Step 2: Convert to fraction form
897,939.04/1,239,181.98 = 490,067.08/x - Step 3: Cross multiply
897,939.04x = 1,239,181.98 × 490,067.08 - Step 4: Simplify right side
897,939.04x = 607,282,294,527.22 - Step 5: Solve for x
x = 607,282,294,527.22/897,939.04 - Step 6: Final answer
x = 676,306.82
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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.