Finding the Fourth Proportional to 851,709.36, 1,277,564.58 and 477,994.80
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Solution
The fourth proportional to 851,709.36, 1,277,564.58 and 477,994.80 is: 716,992.50
Step by Step Solution
- Step 1: Write the proportion equation
851,709.36 : 1,277,564.58 = 477,994.80 : x - Step 2: Convert to fraction form
851,709.36/1,277,564.58 = 477,994.80/x - Step 3: Cross multiply
851,709.36x = 1,277,564.58 × 477,994.80 - Step 4: Simplify right side
851,709.36x = 610,669,225,904.18 - Step 5: Solve for x
x = 610,669,225,904.18/851,709.36 - Step 6: Final answer
x = 716,992.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.