Finding the Fourth Proportional to 763,062.09, 1,053,029.79 and 476,748.27
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Solution
The fourth proportional to 763,062.09, 1,053,029.79 and 476,748.27 is: 657,915.18
Step by Step Solution
- Step 1: Write the proportion equation
763,062.09 : 1,053,029.79 = 476,748.27 : x - Step 2: Convert to fraction form
763,062.09/1,053,029.79 = 476,748.27/x - Step 3: Cross multiply
763,062.09x = 1,053,029.79 × 476,748.27 - Step 4: Simplify right side
763,062.09x = 502,030,130,640.96 - Step 5: Solve for x
x = 502,030,130,640.96/763,062.09 - Step 6: Final answer
x = 657,915.18
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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.