Finding the Fourth Proportional to 752,021.36, 1,037,791.17 and 429,730.68
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Solution
The fourth proportional to 752,021.36, 1,037,791.17 and 429,730.68 is: 593,029.31
Step by Step Solution
- Step 1: Write the proportion equation
752,021.36 : 1,037,791.17 = 429,730.68 : x - Step 2: Convert to fraction form
752,021.36/1,037,791.17 = 429,730.68/x - Step 3: Cross multiply
752,021.36x = 1,037,791.17 × 429,730.68 - Step 4: Simplify right side
752,021.36x = 445,970,705,182.10 - Step 5: Solve for x
x = 445,970,705,182.10/752,021.36 - Step 6: Final answer
x = 593,029.31
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1.5x scale
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.