Finding the Fourth Proportional to 566,885.65, 782,302.19 and 312,236.84
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Solution
The fourth proportional to 566,885.65, 782,302.19 and 312,236.84 is: 430,886.84
Step by Step Solution
- Step 1: Write the proportion equation
566,885.65 : 782,302.19 = 312,236.84 : x - Step 2: Convert to fraction form
566,885.65/782,302.19 = 312,236.84/x - Step 3: Cross multiply
566,885.65x = 782,302.19 × 312,236.84 - Step 4: Simplify right side
566,885.65x = 244,263,563,730.68 - Step 5: Solve for x
x = 244,263,563,730.68/566,885.65 - Step 6: Final answer
x = 430,886.84
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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.