Finding the Fourth Proportional to 747,864, 1,032,057.36 and 408,336.48
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Solution
The fourth proportional to 747,864, 1,032,057.36 and 408,336.48 is: 563,507.09
Step by Step Solution
- Step 1: Write the proportion equation
747,864 : 1,032,057.36 = 408,336.48 : x - Step 2: Convert to fraction form
747,864/1,032,057.36 = 408,336.48/x - Step 3: Cross multiply
747,864x = 1,032,057.36 × 408,336.48 - Step 4: Simplify right side
747,864x = 421,426,669,540.49 - Step 5: Solve for x
x = 421,426,669,540.49/747,864 - Step 6: Final answer
x = 563,507.09
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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.