Finding the Fourth Proportional to 895,794.84, 1,236,196.80 and 493,386.84
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Solution
The fourth proportional to 895,794.84, 1,236,196.80 and 493,386.84 is: 680,873.80
Step by Step Solution
- Step 1: Write the proportion equation
895,794.84 : 1,236,196.80 = 493,386.84 : x - Step 2: Convert to fraction form
895,794.84/1,236,196.80 = 493,386.84/x - Step 3: Cross multiply
895,794.84x = 1,236,196.80 × 493,386.84 - Step 4: Simplify right side
895,794.84x = 609,923,232,770.11 - Step 5: Solve for x
x = 609,923,232,770.11/895,794.84 - Step 6: Final answer
x = 680,873.80
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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.