Finding the Fourth Proportional to 817,586.73, 1,226,544.12 and 284,964.75
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Solution
The fourth proportional to 817,586.73, 1,226,544.12 and 284,964.75 is: 427,504.29
Step by Step Solution
- Step 1: Write the proportion equation
817,586.73 : 1,226,544.12 = 284,964.75 : x - Step 2: Convert to fraction form
817,586.73/1,226,544.12 = 284,964.75/x - Step 3: Cross multiply
817,586.73x = 1,226,544.12 × 284,964.75 - Step 4: Simplify right side
817,586.73x = 349,521,838,519.77 - Step 5: Solve for x
x = 349,521,838,519.77/817,586.73 - Step 6: Final answer
x = 427,504.29
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1.5x scale
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.