Finding the Fourth Proportional to 557,336.68, 769,024.74 and 331,037.80
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Solution
The fourth proportional to 557,336.68, 769,024.74 and 331,037.80 is: 456,772.84
Step by Step Solution
- Step 1: Write the proportion equation
557,336.68 : 769,024.74 = 331,037.80 : x - Step 2: Convert to fraction form
557,336.68/769,024.74 = 331,037.80/x - Step 3: Cross multiply
557,336.68x = 769,024.74 × 331,037.80 - Step 4: Simplify right side
557,336.68x = 254,576,258,075.17 - Step 5: Solve for x
x = 254,576,258,075.17/557,336.68 - Step 6: Final answer
x = 456,772.84
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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.