Finding the Fourth Proportional to 851,272.74, 1,174,764.24 and 469,313.19
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Solution
The fourth proportional to 851,272.74, 1,174,764.24 and 469,313.19 is: 647,656.53
Step by Step Solution
- Step 1: Write the proportion equation
851,272.74 : 1,174,764.24 = 469,313.19 : x - Step 2: Convert to fraction form
851,272.74/1,174,764.24 = 469,313.19/x - Step 3: Cross multiply
851,272.74x = 1,174,764.24 × 469,313.19 - Step 4: Simplify right side
851,272.74x = 551,332,352,972.33 - Step 5: Solve for x
x = 551,332,352,972.33/851,272.74 - Step 6: Final answer
x = 647,656.53
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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.