Finding the Fourth Proportional to 619,119.44, 928,679.36 and 408,708.17
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Solution
The fourth proportional to 619,119.44, 928,679.36 and 408,708.17 is: 613,062.38
Step by Step Solution
- Step 1: Write the proportion equation
619,119.44 : 928,679.36 = 408,708.17 : x - Step 2: Convert to fraction form
619,119.44/928,679.36 = 408,708.17/x - Step 3: Cross multiply
619,119.44x = 928,679.36 × 408,708.17 - Step 4: Simplify right side
619,119.44x = 379,558,835,055.43 - Step 5: Solve for x
x = 379,558,835,055.43/619,119.44 - Step 6: Final answer
x = 613,062.38
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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.