Finding the Fourth Proportional to 829,195.93, 1,243,829.43 and 289,506.70
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Solution
The fourth proportional to 829,195.93, 1,243,829.43 and 289,506.70 is: 434,272.45
Step by Step Solution
- Step 1: Write the proportion equation
829,195.93 : 1,243,829.43 = 289,506.70 : x - Step 2: Convert to fraction form
829,195.93/1,243,829.43 = 289,506.70/x - Step 3: Cross multiply
829,195.93x = 1,243,829.43 × 289,506.70 - Step 4: Simplify right side
829,195.93x = 360,096,950,532.61 - Step 5: Solve for x
x = 360,096,950,532.61/829,195.93 - Step 6: Final answer
x = 434,272.45
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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.