Finding the Fourth Proportional to 646,775.18, 892,550.24 and 360,295.95
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Solution
The fourth proportional to 646,775.18, 892,550.24 and 360,295.95 is: 497,208.68
Step by Step Solution
- Step 1: Write the proportion equation
646,775.18 : 892,550.24 = 360,295.95 : x - Step 2: Convert to fraction form
646,775.18/892,550.24 = 360,295.95/x - Step 3: Cross multiply
646,775.18x = 892,550.24 × 360,295.95 - Step 4: Simplify right side
646,775.18x = 321,582,234,519.63 - Step 5: Solve for x
x = 321,582,234,519.63/646,775.18 - Step 6: Final answer
x = 497,208.68
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1.5x scale
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.