Finding the Fourth Proportional to 840,067.53, 1,159,362.08 and 477,605.08
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Solution
The fourth proportional to 840,067.53, 1,159,362.08 and 477,605.08 is: 659,134.18
Step by Step Solution
- Step 1: Write the proportion equation
840,067.53 : 1,159,362.08 = 477,605.08 : x - Step 2: Convert to fraction form
840,067.53/1,159,362.08 = 477,605.08/x - Step 3: Cross multiply
840,067.53x = 1,159,362.08 × 477,605.08 - Step 4: Simplify right side
840,067.53x = 553,717,218,967.37 - Step 5: Solve for x
x = 553,717,218,967.37/840,067.53 - Step 6: Final answer
x = 659,134.18
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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.