Finding the Fourth Proportional to 754,738.58, 1,043,033.62 and 618,557.74
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Solution
The fourth proportional to 754,738.58, 1,043,033.62 and 618,557.74 is: 854,834.42
Step by Step Solution
- Step 1: Write the proportion equation
754,738.58 : 1,043,033.62 = 618,557.74 : x - Step 2: Convert to fraction form
754,738.58/1,043,033.62 = 618,557.74/x - Step 3: Cross multiply
754,738.58x = 1,043,033.62 × 618,557.74 - Step 4: Simplify right side
754,738.58x = 645,176,518,731.22 - Step 5: Solve for x
x = 645,176,518,731.22/754,738.58 - Step 6: Final answer
x = 854,834.42
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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.