Finding the Fourth Proportional to 677,846.80, 935,445.79 and 371,923.09
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Solution
The fourth proportional to 677,846.80, 935,445.79 and 371,923.09 is: 513,263.30
Step by Step Solution
- Step 1: Write the proportion equation
677,846.80 : 935,445.79 = 371,923.09 : x - Step 2: Convert to fraction form
677,846.80/935,445.79 = 371,923.09/x - Step 3: Cross multiply
677,846.80x = 935,445.79 × 371,923.09 - Step 4: Simplify right side
677,846.80x = 347,913,888,744.29 - Step 5: Solve for x
x = 347,913,888,744.29/677,846.80 - Step 6: Final answer
x = 513,263.30
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1.5x scale
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.