Finding the Fourth Proportional to 851,469.36, 1,175,037.12 and 469,509.84
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Solution
The fourth proportional to 851,469.36, 1,175,037.12 and 469,509.84 is: 647,928.76
Step by Step Solution
- Step 1: Write the proportion equation
851,469.36 : 1,175,037.12 = 469,509.84 : x - Step 2: Convert to fraction form
851,469.36/1,175,037.12 = 469,509.84/x - Step 3: Cross multiply
851,469.36x = 1,175,037.12 × 469,509.84 - Step 4: Simplify right side
851,469.36x = 551,691,490,205.26 - Step 5: Solve for x
x = 551,691,490,205.26/851,469.36 - Step 6: Final answer
x = 647,928.76
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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.