Finding the Fourth Proportional to 752,417.36, 1,128,604.16 and 219,950.90
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Solution
The fourth proportional to 752,417.36, 1,128,604.16 and 219,950.90 is: 329,919.95
Step by Step Solution
- Step 1: Write the proportion equation
752,417.36 : 1,128,604.16 = 219,950.90 : x - Step 2: Convert to fraction form
752,417.36/1,128,604.16 = 219,950.90/x - Step 3: Cross multiply
752,417.36x = 1,128,604.16 × 219,950.90 - Step 4: Simplify right side
752,417.36x = 248,237,500,735.74 - Step 5: Solve for x
x = 248,237,500,735.74/752,417.36 - Step 6: Final answer
x = 329,919.95
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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.