Finding the Fourth Proportional to 763,843.88, 1,146,465.98 and 409,258.28
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Solution
The fourth proportional to 763,843.88, 1,146,465.98 and 409,258.28 is: 614,262.56
Step by Step Solution
- Step 1: Write the proportion equation
763,843.88 : 1,146,465.98 = 409,258.28 : x - Step 2: Convert to fraction form
763,843.88/1,146,465.98 = 409,258.28/x - Step 3: Cross multiply
763,843.88x = 1,146,465.98 × 409,258.28 - Step 4: Simplify right side
763,843.88x = 469,200,695,053.31 - Step 5: Solve for x
x = 469,200,695,053.31/763,843.88 - Step 6: Final answer
x = 614,262.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.