Finding the Fourth Proportional to 752,757.35, 1,038,551.76 and 480,984.12
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Solution
The fourth proportional to 752,757.35, 1,038,551.76 and 480,984.12 is: 663,596.19
Step by Step Solution
- Step 1: Write the proportion equation
752,757.35 : 1,038,551.76 = 480,984.12 : x - Step 2: Convert to fraction form
752,757.35/1,038,551.76 = 480,984.12/x - Step 3: Cross multiply
752,757.35x = 1,038,551.76 × 480,984.12 - Step 4: Simplify right side
752,757.35x = 499,526,904,358.05 - Step 5: Solve for x
x = 499,526,904,358.05/752,757.35 - Step 6: Final answer
x = 663,596.19
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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.