Finding the Fourth Proportional to 566,896.79, 782,317.50 and 312,247.98
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Solution
The fourth proportional to 566,896.79, 782,317.50 and 312,247.98 is: 430,902.17
Step by Step Solution
- Step 1: Write the proportion equation
566,896.79 : 782,317.50 = 312,247.98 : x - Step 2: Convert to fraction form
566,896.79/782,317.50 = 312,247.98/x - Step 3: Cross multiply
566,896.79x = 782,317.50 × 312,247.98 - Step 4: Simplify right side
566,896.79x = 244,277,059,093.65 - Step 5: Solve for x
x = 244,277,059,093.65/566,896.79 - Step 6: Final answer
x = 430,902.17
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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.