Finding the Fourth Proportional to 895,872.12, 1,236,303.60 and 493,464.12
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Solution
The fourth proportional to 895,872.12, 1,236,303.60 and 493,464.12 is: 680,980.53
Step by Step Solution
- Step 1: Write the proportion equation
895,872.12 : 1,236,303.60 = 493,464.12 : x - Step 2: Convert to fraction form
895,872.12/1,236,303.60 = 493,464.12/x - Step 3: Cross multiply
895,872.12x = 1,236,303.60 × 493,464.12 - Step 4: Simplify right side
895,872.12x = 610,071,468,026.83 - Step 5: Solve for x
x = 610,071,468,026.83/895,872.12 - Step 6: Final answer
x = 680,980.53
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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.