Finding the Fourth Proportional to 578,808.18, 868,508.33 and 275,544.99
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Solution
The fourth proportional to 578,808.18, 868,508.33 and 275,544.99 is: 413,458.42
Step by Step Solution
- Step 1: Write the proportion equation
578,808.18 : 868,508.33 = 275,544.99 : x - Step 2: Convert to fraction form
578,808.18/868,508.33 = 275,544.99/x - Step 3: Cross multiply
578,808.18x = 868,508.33 × 275,544.99 - Step 4: Simplify right side
578,808.18x = 239,313,117,727.04 - Step 5: Solve for x
x = 239,313,117,727.04/578,808.18 - Step 6: Final answer
x = 413,458.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.