Finding the Fourth Proportional to 909,473.44, 1,255,162.10 and 679,631.65
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Solution
The fourth proportional to 909,473.44, 1,255,162.10 and 679,631.65 is: 937,958.00
Step by Step Solution
- Step 1: Write the proportion equation
909,473.44 : 1,255,162.10 = 679,631.65 : x - Step 2: Convert to fraction form
909,473.44/1,255,162.10 = 679,631.65/x - Step 3: Cross multiply
909,473.44x = 1,255,162.10 × 679,631.65 - Step 4: Simplify right side
909,473.44x = 853,047,889,040.47 - Step 5: Solve for x
x = 853,047,889,040.47/909,473.44 - Step 6: Final answer
x = 937,958.00
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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.