Finding the Fourth Proportional to 558,808.16, 771,133.84 and 317,076.31
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Solution
The fourth proportional to 558,808.16, 771,133.84 and 317,076.31 is: 437,553.15
Step by Step Solution
- Step 1: Write the proportion equation
558,808.16 : 771,133.84 = 317,076.31 : x - Step 2: Convert to fraction form
558,808.16/771,133.84 = 317,076.31/x - Step 3: Cross multiply
558,808.16x = 771,133.84 × 317,076.31 - Step 4: Simplify right side
558,808.16x = 244,508,269,782.81 - Step 5: Solve for x
x = 244,508,269,782.81/558,808.16 - Step 6: Final answer
x = 437,553.15
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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.