Finding the Fourth Proportional to 789,113.70, 1,088,976.24 and 426,537.57
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Solution
The fourth proportional to 789,113.70, 1,088,976.24 and 426,537.57 is: 588,621.49
Step by Step Solution
- Step 1: Write the proportion equation
789,113.70 : 1,088,976.24 = 426,537.57 : x - Step 2: Convert to fraction form
789,113.70/1,088,976.24 = 426,537.57/x - Step 3: Cross multiply
789,113.70x = 1,088,976.24 × 426,537.57 - Step 4: Simplify right side
789,113.70x = 464,489,279,197.34 - Step 5: Solve for x
x = 464,489,279,197.34/789,113.70 - Step 6: Final answer
x = 588,621.49
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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.