Finding the Fourth Proportional to 752,803.18, 1,129,256.90 and 303,528.08
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Solution
The fourth proportional to 752,803.18, 1,129,256.90 and 303,528.08 is: 455,313.14
Step by Step Solution
- Step 1: Write the proportion equation
752,803.18 : 1,129,256.90 = 303,528.08 : x - Step 2: Convert to fraction form
752,803.18/1,129,256.90 = 303,528.08/x - Step 3: Cross multiply
752,803.18x = 1,129,256.90 × 303,528.08 - Step 4: Simplify right side
752,803.18x = 342,761,178,683.75 - Step 5: Solve for x
x = 342,761,178,683.75/752,803.18 - Step 6: Final answer
x = 455,313.14
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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.