Finding the Fourth Proportional to 619,775.64, 855,292.16 and 344,134.09
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Solution
The fourth proportional to 619,775.64, 855,292.16 and 344,134.09 is: 474,906.03
Step by Step Solution
- Step 1: Write the proportion equation
619,775.64 : 855,292.16 = 344,134.09 : x - Step 2: Convert to fraction form
619,775.64/855,292.16 = 344,134.09/x - Step 3: Cross multiply
619,775.64x = 855,292.16 × 344,134.09 - Step 4: Simplify right side
619,775.64x = 294,335,189,165.73 - Step 5: Solve for x
x = 294,335,189,165.73/619,775.64 - Step 6: Final answer
x = 474,906.03
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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.