Finding the Fourth Proportional to 779,923.26, 1,169,926.44 and 247,485.96
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Solution
The fourth proportional to 779,923.26, 1,169,926.44 and 247,485.96 is: 371,242.12
Step by Step Solution
- Step 1: Write the proportion equation
779,923.26 : 1,169,926.44 = 247,485.96 : x - Step 2: Convert to fraction form
779,923.26/1,169,926.44 = 247,485.96/x - Step 3: Cross multiply
779,923.26x = 1,169,926.44 × 247,485.96 - Step 4: Simplify right side
779,923.26x = 289,540,368,132.78 - Step 5: Solve for x
x = 289,540,368,132.78/779,923.26 - Step 6: Final answer
x = 371,242.12
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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.