Finding the Fourth Proportional to 576,419.07, 864,660.14 and 239,493.79
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Solution
The fourth proportional to 576,419.07, 864,660.14 and 239,493.79 is: 359,253.79
Step by Step Solution
- Step 1: Write the proportion equation
576,419.07 : 864,660.14 = 239,493.79 : x - Step 2: Convert to fraction form
576,419.07/864,660.14 = 239,493.79/x - Step 3: Cross multiply
576,419.07x = 864,660.14 × 239,493.79 - Step 4: Simplify right side
576,419.07x = 207,080,734,589.27 - Step 5: Solve for x
x = 207,080,734,589.27/576,419.07 - Step 6: Final answer
x = 359,253.79
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1.5x scale
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.