Finding the Fourth Proportional to 608,723.12, 840,306.94 and 363,794.28
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Solution
The fourth proportional to 608,723.12, 840,306.94 and 363,794.28 is: 502,196.89
Step by Step Solution
- Step 1: Write the proportion equation
608,723.12 : 840,306.94 = 363,794.28 : x - Step 2: Convert to fraction form
608,723.12/840,306.94 = 363,794.28/x - Step 3: Cross multiply
608,723.12x = 840,306.94 × 363,794.28 - Step 4: Simplify right side
608,723.12x = 305,698,858,216.30 - Step 5: Solve for x
x = 305,698,858,216.30/608,723.12 - Step 6: Final answer
x = 502,196.89
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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.