Finding the Fourth Proportional to 746,243.88, 1,029,840.66 and 423,948.12
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Solution
The fourth proportional to 746,243.88, 1,029,840.66 and 423,948.12 is: 585,062.10
Step by Step Solution
- Step 1: Write the proportion equation
746,243.88 : 1,029,840.66 = 423,948.12 : x - Step 2: Convert to fraction form
746,243.88/1,029,840.66 = 423,948.12/x - Step 3: Cross multiply
746,243.88x = 1,029,840.66 × 423,948.12 - Step 4: Simplify right side
746,243.88x = 436,599,011,706.56 - Step 5: Solve for x
x = 436,599,011,706.56/746,243.88 - Step 6: Final answer
x = 585,062.10
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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.