Finding the Fourth Proportional to 829,749.07, 1,244,719.86 and 289,838.17
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Solution
The fourth proportional to 829,749.07, 1,244,719.86 and 289,838.17 is: 434,790.88
Step by Step Solution
- Step 1: Write the proportion equation
829,749.07 : 1,244,719.86 = 289,838.17 : x - Step 2: Convert to fraction form
829,749.07/1,244,719.86 = 289,838.17/x - Step 3: Cross multiply
829,749.07x = 1,244,719.86 × 289,838.17 - Step 4: Simplify right side
829,749.07x = 360,767,326,385.06 - Step 5: Solve for x
x = 360,767,326,385.06/829,749.07 - Step 6: Final answer
x = 434,790.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.