Finding the Fourth Proportional to 840,533.24, 1,159,930.26 and 477,957.12
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Solution
The fourth proportional to 840,533.24, 1,159,930.26 and 477,957.12 is: 659,577.63
Step by Step Solution
- Step 1: Write the proportion equation
840,533.24 : 1,159,930.26 = 477,957.12 : x - Step 2: Convert to fraction form
840,533.24/1,159,930.26 = 477,957.12/x - Step 3: Cross multiply
840,533.24x = 1,159,930.26 × 477,957.12 - Step 4: Simplify right side
840,533.24x = 554,396,926,470.45 - Step 5: Solve for x
x = 554,396,926,470.45/840,533.24 - Step 6: Final answer
x = 659,577.63
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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.