Finding the Fourth Proportional to 929,986.60, 1,283,228.68 and 547,961.44
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Solution
The fourth proportional to 929,986.60, 1,283,228.68 and 547,961.44 is: 756,096.74
Step by Step Solution
- Step 1: Write the proportion equation
929,986.60 : 1,283,228.68 = 547,961.44 : x - Step 2: Convert to fraction form
929,986.60/1,283,228.68 = 547,961.44/x - Step 3: Cross multiply
929,986.60x = 1,283,228.68 × 547,961.44 - Step 4: Simplify right side
929,986.60x = 703,159,835,342.10 - Step 5: Solve for x
x = 703,159,835,342.10/929,986.60 - Step 6: Final answer
x = 756,096.74
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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.