Finding the Fourth Proportional to 910,959.76, 1,257,029 and 528,911.92
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Solution
The fourth proportional to 910,959.76, 1,257,029 and 528,911.92 is: 729,843.02
Step by Step Solution
- Step 1: Write the proportion equation
910,959.76 : 1,257,029 = 528,911.92 : x - Step 2: Convert to fraction form
910,959.76/1,257,029 = 528,911.92/x - Step 3: Cross multiply
910,959.76x = 1,257,029 × 528,911.92 - Step 4: Simplify right side
910,959.76x = 664,857,621,885.68 - Step 5: Solve for x
x = 664,857,621,885.68/910,959.76 - Step 6: Final answer
x = 729,843.02
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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.