Finding the Fourth Proportional to 566,882.84, 782,298.29 and 312,234.03
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Solution
The fourth proportional to 566,882.84, 782,298.29 and 312,234.03 is: 430,882.95
Step by Step Solution
- Step 1: Write the proportion equation
566,882.84 : 782,298.29 = 312,234.03 : x - Step 2: Convert to fraction form
566,882.84/782,298.29 = 312,234.03/x - Step 3: Cross multiply
566,882.84x = 782,298.29 × 312,234.03 - Step 4: Simplify right side
566,882.84x = 244,260,147,748.81 - Step 5: Solve for x
x = 244,260,147,748.81/566,882.84 - Step 6: Final answer
x = 430,882.95
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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.