Finding the Fourth Proportional to 752,746.50, 1,129,341.56 and 303,236.06
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Solution
The fourth proportional to 752,746.50, 1,129,341.56 and 303,236.06 is: 454,943.43
Step by Step Solution
- Step 1: Write the proportion equation
752,746.50 : 1,129,341.56 = 303,236.06 : x - Step 2: Convert to fraction form
752,746.50/1,129,341.56 = 303,236.06/x - Step 3: Cross multiply
752,746.50x = 1,129,341.56 × 303,236.06 - Step 4: Simplify right side
752,746.50x = 342,457,077,885.77 - Step 5: Solve for x
x = 342,457,077,885.77/752,746.50 - Step 6: Final answer
x = 454,943.43
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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.