Finding the Fourth Proportional to 613,134.58, 919,889.14 and 313,827.23
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Solution
The fourth proportional to 613,134.58, 919,889.14 and 313,827.23 is: 470,836.70
Step by Step Solution
- Step 1: Write the proportion equation
613,134.58 : 919,889.14 = 313,827.23 : x - Step 2: Convert to fraction form
613,134.58/919,889.14 = 313,827.23/x - Step 3: Cross multiply
613,134.58x = 919,889.14 × 313,827.23 - Step 4: Simplify right side
613,134.58x = 288,686,260,713.28 - Step 5: Solve for x
x = 288,686,260,713.28/613,134.58 - Step 6: Final answer
x = 470,836.70
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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.