Finding the Fourth Proportional to 835,580.99, 1,152,980.11 and 477,815.87
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Solution
The fourth proportional to 835,580.99, 1,152,980.11 and 477,815.87 is: 659,316.33
Step by Step Solution
- Step 1: Write the proportion equation
835,580.99 : 1,152,980.11 = 477,815.87 : x - Step 2: Convert to fraction form
835,580.99/1,152,980.11 = 477,815.87/x - Step 3: Cross multiply
835,580.99x = 1,152,980.11 × 477,815.87 - Step 4: Simplify right side
835,580.99x = 550,912,194,352.35 - Step 5: Solve for x
x = 550,912,194,352.35/835,580.99 - Step 6: Final answer
x = 659,316.33
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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.