Finding the Fourth Proportional to 611,516.52, 843,864.24 and 339,601.68
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Solution
The fourth proportional to 611,516.52, 843,864.24 and 339,601.68 is: 468,634.46
Step by Step Solution
- Step 1: Write the proportion equation
611,516.52 : 843,864.24 = 339,601.68 : x - Step 2: Convert to fraction form
611,516.52/843,864.24 = 339,601.68/x - Step 3: Cross multiply
611,516.52x = 843,864.24 × 339,601.68 - Step 4: Simplify right side
611,516.52x = 286,577,713,595.92 - Step 5: Solve for x
x = 286,577,713,595.92/611,516.52 - Step 6: Final answer
x = 468,634.46
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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.