Finding the Fourth Proportional to 855,375.24, 1,280,506.50 and 517,393.08
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Solution
The fourth proportional to 855,375.24, 1,280,506.50 and 517,393.08 is: 774,543.35
Step by Step Solution
- Step 1: Write the proportion equation
855,375.24 : 1,280,506.50 = 517,393.08 : x - Step 2: Convert to fraction form
855,375.24/1,280,506.50 = 517,393.08/x - Step 3: Cross multiply
855,375.24x = 1,280,506.50 × 517,393.08 - Step 4: Simplify right side
855,375.24x = 662,525,201,995.02 - Step 5: Solve for x
x = 662,525,201,995.02/855,375.24 - Step 6: Final answer
x = 774,543.35
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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.