Finding the Fourth Proportional to 596,491.84, 823,427.44 and 392,649.76
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Solution
The fourth proportional to 596,491.84, 823,427.44 and 392,649.76 is: 542,033.55
Step by Step Solution
- Step 1: Write the proportion equation
596,491.84 : 823,427.44 = 392,649.76 : x - Step 2: Convert to fraction form
596,491.84/823,427.44 = 392,649.76/x - Step 3: Cross multiply
596,491.84x = 823,427.44 × 392,649.76 - Step 4: Simplify right side
596,491.84x = 323,318,586,693.41 - Step 5: Solve for x
x = 323,318,586,693.41/596,491.84 - Step 6: Final answer
x = 542,033.55
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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.