Finding the Fourth Proportional to 610,682.13, 842,754.87 and 338,741.19
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Solution
The fourth proportional to 610,682.13, 842,754.87 and 338,741.19 is: 467,470.35
Step by Step Solution
- Step 1: Write the proportion equation
610,682.13 : 842,754.87 = 338,741.19 : x - Step 2: Convert to fraction form
610,682.13/842,754.87 = 338,741.19/x - Step 3: Cross multiply
610,682.13x = 842,754.87 × 338,741.19 - Step 4: Simplify right side
610,682.13x = 285,475,787,542.10 - Step 5: Solve for x
x = 285,475,787,542.10/610,682.13 - Step 6: Final answer
x = 467,470.35
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1.5x scale
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.