Finding the Fourth Proportional to 574,879.80, 862,319.70 and 294,943.80
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Solution
The fourth proportional to 574,879.80, 862,319.70 and 294,943.80 is: 442,415.70
Step by Step Solution
- Step 1: Write the proportion equation
574,879.80 : 862,319.70 = 294,943.80 : x - Step 2: Convert to fraction form
574,879.80/862,319.70 = 294,943.80/x - Step 3: Cross multiply
574,879.80x = 862,319.70 × 294,943.80 - Step 4: Simplify right side
574,879.80x = 254,335,849,132.86 - Step 5: Solve for x
x = 254,335,849,132.86/574,879.80 - Step 6: Final answer
x = 442,415.70
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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.