Finding the Fourth Proportional to 746,260.16, 1,029,809.04 and 406,721.12
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Solution
The fourth proportional to 746,260.16, 1,029,809.04 and 406,721.12 is: 561,258.81
Step by Step Solution
- Step 1: Write the proportion equation
746,260.16 : 1,029,809.04 = 406,721.12 : x - Step 2: Convert to fraction form
746,260.16/1,029,809.04 = 406,721.12/x - Step 3: Cross multiply
746,260.16x = 1,029,809.04 × 406,721.12 - Step 4: Simplify right side
746,260.16x = 418,845,086,134.93 - Step 5: Solve for x
x = 418,845,086,134.93/746,260.16 - Step 6: Final answer
x = 561,258.81
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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.