Finding the Fourth Proportional to 840,299.58, 1,159,711.45 and 477,777.75
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Solution
The fourth proportional to 840,299.58, 1,159,711.45 and 477,777.75 is: 659,389.03
Step by Step Solution
- Step 1: Write the proportion equation
840,299.58 : 1,159,711.45 = 477,777.75 : x - Step 2: Convert to fraction form
840,299.58/1,159,711.45 = 477,777.75/x - Step 3: Cross multiply
840,299.58x = 1,159,711.45 × 477,777.75 - Step 4: Simplify right side
840,299.58x = 554,084,327,230.24 - Step 5: Solve for x
x = 554,084,327,230.24/840,299.58 - Step 6: Final answer
x = 659,389.03
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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.