Finding the Fourth Proportional to 968,859.60, 1,453,423.36 and 258,910.80
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Solution
The fourth proportional to 968,859.60, 1,453,423.36 and 258,910.80 is: 388,402.00
Step by Step Solution
- Step 1: Write the proportion equation
968,859.60 : 1,453,423.36 = 258,910.80 : x - Step 2: Convert to fraction form
968,859.60/1,453,423.36 = 258,910.80/x - Step 3: Cross multiply
968,859.60x = 1,453,423.36 × 258,910.80 - Step 4: Simplify right side
968,859.60x = 376,307,004,876.29 - Step 5: Solve for x
x = 376,307,004,876.29/968,859.60 - Step 6: Final answer
x = 388,402.00
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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.