Finding the Fourth Proportional to 756,501.66, 1,043,635.59 and 434,134.62
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Solution
The fourth proportional to 756,501.66, 1,043,635.59 and 434,134.62 is: 598,912.55
Step by Step Solution
- Step 1: Write the proportion equation
756,501.66 : 1,043,635.59 = 434,134.62 : x - Step 2: Convert to fraction form
756,501.66/1,043,635.59 = 434,134.62/x - Step 3: Cross multiply
756,501.66x = 1,043,635.59 × 434,134.62 - Step 4: Simplify right side
756,501.66x = 453,078,340,283.13 - Step 5: Solve for x
x = 453,078,340,283.13/756,501.66 - Step 6: Final answer
x = 598,912.55
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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.