Finding the Fourth Proportional to 566,753.49, 782,125.11 and 312,106.50
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Solution
The fourth proportional to 566,753.49, 782,125.11 and 312,106.50 is: 430,709.89
Step by Step Solution
- Step 1: Write the proportion equation
566,753.49 : 782,125.11 = 312,106.50 : x - Step 2: Convert to fraction form
566,753.49/782,125.11 = 312,106.50/x - Step 3: Cross multiply
566,753.49x = 782,125.11 × 312,106.50 - Step 4: Simplify right side
566,753.49x = 244,106,330,644.22 - Step 5: Solve for x
x = 244,106,330,644.22/566,753.49 - Step 6: Final answer
x = 430,709.89
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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.