Finding the Fourth Proportional to 669,048.29, 922,866.68 and 396,923.52
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Solution
The fourth proportional to 669,048.29, 922,866.68 and 396,923.52 is: 547,505.31
Step by Step Solution
- Step 1: Write the proportion equation
669,048.29 : 922,866.68 = 396,923.52 : x - Step 2: Convert to fraction form
669,048.29/922,866.68 = 396,923.52/x - Step 3: Cross multiply
669,048.29x = 922,866.68 × 396,923.52 - Step 4: Simplify right side
669,048.29x = 366,307,491,438.86 - Step 5: Solve for x
x = 366,307,491,438.86/669,048.29 - Step 6: Final answer
x = 547,505.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.