Finding the Fourth Proportional to 629,921.80, 944,882.70 and 314,337.70
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Solution
The fourth proportional to 629,921.80, 944,882.70 and 314,337.70 is: 471,506.55
Step by Step Solution
- Step 1: Write the proportion equation
629,921.80 : 944,882.70 = 314,337.70 : x - Step 2: Convert to fraction form
629,921.80/944,882.70 = 314,337.70/x - Step 3: Cross multiply
629,921.80x = 944,882.70 × 314,337.70 - Step 4: Simplify right side
629,921.80x = 297,012,254,687.79 - Step 5: Solve for x
x = 297,012,254,687.79/629,921.80 - Step 6: Final answer
x = 471,506.55
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Similar ratio
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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.