Finding the Fourth Proportional to 840,473.93, 1,159,848.65 and 477,897.80
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Solution
The fourth proportional to 840,473.93, 1,159,848.65 and 477,897.80 is: 659,495.90
Step by Step Solution
- Step 1: Write the proportion equation
840,473.93 : 1,159,848.65 = 477,897.80 : x - Step 2: Convert to fraction form
840,473.93/1,159,848.65 = 477,897.80/x - Step 3: Cross multiply
840,473.93x = 1,159,848.65 × 477,897.80 - Step 4: Simplify right side
840,473.93x = 554,289,109,979.24 - Step 5: Solve for x
x = 554,289,109,979.24/840,473.93 - Step 6: Final answer
x = 659,495.90
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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.