Finding the Fourth Proportional to 856,558.56, 1,286,691.84 and 556,885.02
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Solution
The fourth proportional to 856,558.56, 1,286,691.84 and 556,885.02 is: 836,532.89
Step by Step Solution
- Step 1: Write the proportion equation
856,558.56 : 1,286,691.84 = 556,885.02 : x - Step 2: Convert to fraction form
856,558.56/1,286,691.84 = 556,885.02/x - Step 3: Cross multiply
856,558.56x = 1,286,691.84 × 556,885.02 - Step 4: Simplify right side
856,558.56x = 716,539,411,052.24 - Step 5: Solve for x
x = 716,539,411,052.24/856,558.56 - Step 6: Final answer
x = 836,532.89
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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.