Finding the Fourth Proportional to 826,925.91, 1,239,601.55 and 265,566.75
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Solution
The fourth proportional to 826,925.91, 1,239,601.55 and 265,566.75 is: 398,097.28
Step by Step Solution
- Step 1: Write the proportion equation
826,925.91 : 1,239,601.55 = 265,566.75 : x - Step 2: Convert to fraction form
826,925.91/1,239,601.55 = 265,566.75/x - Step 3: Cross multiply
826,925.91x = 1,239,601.55 × 265,566.75 - Step 4: Simplify right side
826,925.91x = 329,196,953,600.63 - Step 5: Solve for x
x = 329,196,953,600.63/826,925.91 - Step 6: Final answer
x = 398,097.28
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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.