Finding the Fourth Proportional to 851,760.84, 1,175,387.58 and 469,764.84
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Solution
The fourth proportional to 851,760.84, 1,175,387.58 and 469,764.84 is: 648,252.11
Step by Step Solution
- Step 1: Write the proportion equation
851,760.84 : 1,175,387.58 = 469,764.84 : x - Step 2: Convert to fraction form
851,760.84/1,175,387.58 = 469,764.84/x - Step 3: Cross multiply
851,760.84x = 1,175,387.58 × 469,764.84 - Step 4: Simplify right side
851,760.84x = 552,155,758,456.69 - Step 5: Solve for x
x = 552,155,758,456.69/851,760.84 - Step 6: Final answer
x = 648,252.11
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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.