Finding the Fourth Proportional to 611,776.91, 844,228.66 and 339,861.91
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Solution
The fourth proportional to 611,776.91, 844,228.66 and 339,861.91 is: 468,996.39
Step by Step Solution
- Step 1: Write the proportion equation
611,776.91 : 844,228.66 = 339,861.91 : x - Step 2: Convert to fraction form
611,776.91/844,228.66 = 339,861.91/x - Step 3: Cross multiply
611,776.91x = 844,228.66 × 339,861.91 - Step 4: Simplify right side
611,776.91x = 286,921,164,864.34 - Step 5: Solve for x
x = 286,921,164,864.34/611,776.91 - Step 6: Final answer
x = 468,996.39
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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.