Finding the Fourth Proportional to 810,177.70, 1,213,516.95 and 705,201.70
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Solution
The fourth proportional to 810,177.70, 1,213,516.95 and 705,201.70 is: 1,056,279.65
Step by Step Solution
- Step 1: Write the proportion equation
810,177.70 : 1,213,516.95 = 705,201.70 : x - Step 2: Convert to fraction form
810,177.70/1,213,516.95 = 705,201.70/x - Step 3: Cross multiply
810,177.70x = 1,213,516.95 × 705,201.70 - Step 4: Simplify right side
810,177.70x = 855,774,216,118.82 - Step 5: Solve for x
x = 855,774,216,118.82/810,177.70 - Step 6: Final answer
x = 1,056,279.65
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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.