Finding the Fourth Proportional to 888,469.99, 1,332,703.95 and 289,430.19
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Solution
The fourth proportional to 888,469.99, 1,332,703.95 and 289,430.19 is: 434,144.95
Step by Step Solution
- Step 1: Write the proportion equation
888,469.99 : 1,332,703.95 = 289,430.19 : x - Step 2: Convert to fraction form
888,469.99/1,332,703.95 = 289,430.19/x - Step 3: Cross multiply
888,469.99x = 1,332,703.95 × 289,430.19 - Step 4: Simplify right side
888,469.99x = 385,724,757,462.25 - Step 5: Solve for x
x = 385,724,757,462.25/888,469.99 - Step 6: Final answer
x = 434,144.95
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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.