Finding the Fourth Proportional to 910,438.99, 1,256,405.88 and 502,540.94
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Solution
The fourth proportional to 910,438.99, 1,256,405.88 and 502,540.94 is: 693,506.53
Step by Step Solution
- Step 1: Write the proportion equation
910,438.99 : 1,256,405.88 = 502,540.94 : x - Step 2: Convert to fraction form
910,438.99/1,256,405.88 = 502,540.94/x - Step 3: Cross multiply
910,438.99x = 1,256,405.88 × 502,540.94 - Step 4: Simplify right side
910,438.99x = 631,395,387,441.62 - Step 5: Solve for x
x = 631,395,387,441.62/910,438.99 - Step 6: Final answer
x = 693,506.53
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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.