Finding the Fourth Proportional to 750,943.09, 1,126,561.65 and 330,217.75
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Solution
The fourth proportional to 750,943.09, 1,126,561.65 and 330,217.75 is: 495,391.27
Step by Step Solution
- Step 1: Write the proportion equation
750,943.09 : 1,126,561.65 = 330,217.75 : x - Step 2: Convert to fraction form
750,943.09/1,126,561.65 = 330,217.75/x - Step 3: Cross multiply
750,943.09x = 1,126,561.65 × 330,217.75 - Step 4: Simplify right side
750,943.09x = 372,010,653,299.29 - Step 5: Solve for x
x = 372,010,653,299.29/750,943.09 - Step 6: Final answer
x = 495,391.27
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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.