Finding the Fourth Proportional to 821,484.18, 1,133,566.65 and 458,900.24
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Solution
The fourth proportional to 821,484.18, 1,133,566.65 and 458,900.24 is: 633,236.79
Step by Step Solution
- Step 1: Write the proportion equation
821,484.18 : 1,133,566.65 = 458,900.24 : x - Step 2: Convert to fraction form
821,484.18/1,133,566.65 = 458,900.24/x - Step 3: Cross multiply
821,484.18x = 1,133,566.65 × 458,900.24 - Step 4: Simplify right side
821,484.18x = 520,194,002,073.16 - Step 5: Solve for x
x = 520,194,002,073.16/821,484.18 - Step 6: Final answer
x = 633,236.79
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1.5x scale
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.