Finding the Fourth Proportional to 925,451.12, 1,277,115.36 and 517,553.60
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Solution
The fourth proportional to 925,451.12, 1,277,115.36 and 517,553.60 is: 714,219.95
Step by Step Solution
- Step 1: Write the proportion equation
925,451.12 : 1,277,115.36 = 517,553.60 : x - Step 2: Convert to fraction form
925,451.12/1,277,115.36 = 517,553.60/x - Step 3: Cross multiply
925,451.12x = 1,277,115.36 × 517,553.60 - Step 4: Simplify right side
925,451.12x = 660,975,652,183.30 - Step 5: Solve for x
x = 660,975,652,183.30/925,451.12 - Step 6: Final answer
x = 714,219.95
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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.