Finding the Fourth Proportional to 485,036.28, 723,761.06 and 434,602.62
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Solution
The fourth proportional to 485,036.28, 723,761.06 and 434,602.62 is: 648,505.00
Step by Step Solution
- Step 1: Write the proportion equation
485,036.28 : 723,761.06 = 434,602.62 : x - Step 2: Convert to fraction form
485,036.28/723,761.06 = 434,602.62/x - Step 3: Cross multiply
485,036.28x = 723,761.06 × 434,602.62 - Step 4: Simplify right side
485,036.28x = 314,548,450,756.96 - Step 5: Solve for x
x = 314,548,450,756.96/485,036.28 - Step 6: Final answer
x = 648,505.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.