Finding the Fourth Proportional to 569,037.49, 784,359.70 and 385,218.09
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Solution
The fourth proportional to 569,037.49, 784,359.70 and 385,218.09 is: 530,983.55
Step by Step Solution
- Step 1: Write the proportion equation
569,037.49 : 784,359.70 = 385,218.09 : x - Step 2: Convert to fraction form
569,037.49/784,359.70 = 385,218.09/x - Step 3: Cross multiply
569,037.49x = 784,359.70 × 385,218.09 - Step 4: Simplify right side
569,037.49x = 302,149,544,504.77 - Step 5: Solve for x
x = 302,149,544,504.77/569,037.49 - Step 6: Final answer
x = 530,983.55
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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.