Finding the Fourth Proportional to 930,724.08, 1,395,919.80 and 247,614.63
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Solution
The fourth proportional to 930,724.08, 1,395,919.80 and 247,614.63 is: 371,377.70
Step by Step Solution
- Step 1: Write the proportion equation
930,724.08 : 1,395,919.80 = 247,614.63 : x - Step 2: Convert to fraction form
930,724.08/1,395,919.80 = 247,614.63/x - Step 3: Cross multiply
930,724.08x = 1,395,919.80 × 247,614.63 - Step 4: Simplify right side
930,724.08x = 345,650,164,786.67 - Step 5: Solve for x
x = 345,650,164,786.67/930,724.08 - Step 6: Final answer
x = 371,377.70
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1.5x scale
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.