Finding the Fourth Proportional to 914,037.23, 1,261,283.36 and 546,441.73
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Solution
The fourth proportional to 914,037.23, 1,261,283.36 and 546,441.73 is: 754,036.96
Step by Step Solution
- Step 1: Write the proportion equation
914,037.23 : 1,261,283.36 = 546,441.73 : x - Step 2: Convert to fraction form
914,037.23/1,261,283.36 = 546,441.73/x - Step 3: Cross multiply
914,037.23x = 1,261,283.36 × 546,441.73 - Step 4: Simplify right side
914,037.23x = 689,217,855,373.20 - Step 5: Solve for x
x = 689,217,855,373.20/914,037.23 - Step 6: Final answer
x = 754,036.96
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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.