Finding the Fourth Proportional to 892,925.69, 1,232,260.39 and 485,050.88
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Solution
The fourth proportional to 892,925.69, 1,232,260.39 and 485,050.88 is: 669,382.66
Step by Step Solution
- Step 1: Write the proportion equation
892,925.69 : 1,232,260.39 = 485,050.88 : x - Step 2: Convert to fraction form
892,925.69/1,232,260.39 = 485,050.88/x - Step 3: Cross multiply
892,925.69x = 1,232,260.39 × 485,050.88 - Step 4: Simplify right side
892,925.69x = 597,708,979,184.71 - Step 5: Solve for x
x = 597,708,979,184.71/892,925.69 - Step 6: Final answer
x = 669,382.66
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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.