Finding the Fourth Proportional to 763,060.97, 1,053,028.25 and 476,747.13
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Solution
The fourth proportional to 763,060.97, 1,053,028.25 and 476,747.13 is: 657,913.61
Step by Step Solution
- Step 1: Write the proportion equation
763,060.97 : 1,053,028.25 = 476,747.13 : x - Step 2: Convert to fraction form
763,060.97/1,053,028.25 = 476,747.13/x - Step 3: Cross multiply
763,060.97x = 1,053,028.25 × 476,747.13 - Step 4: Simplify right side
763,060.97x = 502,028,193,612.69 - Step 5: Solve for x
x = 502,028,193,612.69/763,060.97 - Step 6: Final answer
x = 657,913.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.