Finding the Fourth Proportional to 512,646.08, 702,313.46 and 493,478.78
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Solution
The fourth proportional to 512,646.08, 702,313.46 and 493,478.78 is: 676,054.69
Step by Step Solution
- Step 1: Write the proportion equation
512,646.08 : 702,313.46 = 493,478.78 : x - Step 2: Convert to fraction form
512,646.08/702,313.46 = 493,478.78/x - Step 3: Cross multiply
512,646.08x = 702,313.46 × 493,478.78 - Step 4: Simplify right side
512,646.08x = 346,576,785,289.96 - Step 5: Solve for x
x = 346,576,785,289.96/512,646.08 - Step 6: Final answer
x = 676,054.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.