Finding the Fourth Proportional to 840,440.84, 1,159,863.16 and 477,898.43
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Solution
The fourth proportional to 840,440.84, 1,159,863.16 and 477,898.43 is: 659,530.99
Step by Step Solution
- Step 1: Write the proportion equation
840,440.84 : 1,159,863.16 = 477,898.43 : x - Step 2: Convert to fraction form
840,440.84/1,159,863.16 = 477,898.43/x - Step 3: Cross multiply
840,440.84x = 1,159,863.16 × 477,898.43 - Step 4: Simplify right side
840,440.84x = 554,296,783,178.84 - Step 5: Solve for x
x = 554,296,783,178.84/840,440.84 - Step 6: Final answer
x = 659,530.99
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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.