Finding the Fourth Proportional to 752,417.11, 1,128,603.79 and 219,950.65
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Solution
The fourth proportional to 752,417.11, 1,128,603.79 and 219,950.65 is: 329,919.58
Step by Step Solution
- Step 1: Write the proportion equation
752,417.11 : 1,128,603.79 = 219,950.65 : x - Step 2: Convert to fraction form
752,417.11/1,128,603.79 = 219,950.65/x - Step 3: Cross multiply
752,417.11x = 1,128,603.79 × 219,950.65 - Step 4: Simplify right side
752,417.11x = 248,237,137,202.96 - Step 5: Solve for x
x = 248,237,137,202.96/752,417.11 - Step 6: Final answer
x = 329,919.58
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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.