Finding the Fourth Proportional to 504,028.70, 756,043.06 and 379,612.70
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Solution
The fourth proportional to 504,028.70, 756,043.06 and 379,612.70 is: 569,419.06
Step by Step Solution
- Step 1: Write the proportion equation
504,028.70 : 756,043.06 = 379,612.70 : x - Step 2: Convert to fraction form
504,028.70/756,043.06 = 379,612.70/x - Step 3: Cross multiply
504,028.70x = 756,043.06 × 379,612.70 - Step 4: Simplify right side
504,028.70x = 287,003,547,322.86 - Step 5: Solve for x
x = 287,003,547,322.86/504,028.70 - Step 6: Final answer
x = 569,419.06
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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.