Finding the Fourth Proportional to 895,905.12, 1,236,349.16 and 493,497.12
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Solution
The fourth proportional to 895,905.12, 1,236,349.16 and 493,497.12 is: 681,026.08
Step by Step Solution
- Step 1: Write the proportion equation
895,905.12 : 1,236,349.16 = 493,497.12 : x - Step 2: Convert to fraction form
895,905.12/1,236,349.16 = 493,497.12/x - Step 3: Cross multiply
895,905.12x = 1,236,349.16 × 493,497.12 - Step 4: Simplify right side
895,905.12x = 610,134,749,774.42 - Step 5: Solve for x
x = 610,134,749,774.42/895,905.12 - Step 6: Final answer
x = 681,026.08
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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.