Finding the Fourth Proportional to 852,208.08, 1,278,313.94 and 346,412.08
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Solution
The fourth proportional to 852,208.08, 1,278,313.94 and 346,412.08 is: 519,618.86
Step by Step Solution
- Step 1: Write the proportion equation
852,208.08 : 1,278,313.94 = 346,412.08 : x - Step 2: Convert to fraction form
852,208.08/1,278,313.94 = 346,412.08/x - Step 3: Cross multiply
852,208.08x = 1,278,313.94 × 346,412.08 - Step 4: Simplify right side
852,208.08x = 442,823,390,848.40 - Step 5: Solve for x
x = 442,823,390,848.40/852,208.08 - Step 6: Final answer
x = 519,618.86
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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.