Finding the Fourth Proportional to 747,905.73, 1,032,105.81 and 408,371.55
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Solution
The fourth proportional to 747,905.73, 1,032,105.81 and 408,371.55 is: 563,550.50
Step by Step Solution
- Step 1: Write the proportion equation
747,905.73 : 1,032,105.81 = 408,371.55 : x - Step 2: Convert to fraction form
747,905.73/1,032,105.81 = 408,371.55/x - Step 3: Cross multiply
747,905.73x = 1,032,105.81 × 408,371.55 - Step 4: Simplify right side
747,905.73x = 421,482,649,393.71 - Step 5: Solve for x
x = 421,482,649,393.71/747,905.73 - Step 6: Final answer
x = 563,550.50
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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.