Finding the Fourth Proportional to 755,373.66, 1,134,177.21 and 504,218.94
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Solution
The fourth proportional to 755,373.66, 1,134,177.21 and 504,218.94 is: 757,073.83
Step by Step Solution
- Step 1: Write the proportion equation
755,373.66 : 1,134,177.21 = 504,218.94 : x - Step 2: Convert to fraction form
755,373.66/1,134,177.21 = 504,218.94/x - Step 3: Cross multiply
755,373.66x = 1,134,177.21 × 504,218.94 - Step 4: Simplify right side
755,373.66x = 571,873,630,598.36 - Step 5: Solve for x
x = 571,873,630,598.36/755,373.66 - Step 6: Final answer
x = 757,073.83
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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.