Finding the Fourth Proportional to 929,790.27, 1,283,142.69 and 516,334.00
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Solution
The fourth proportional to 929,790.27, 1,283,142.69 and 516,334.00 is: 712,558.76
Step by Step Solution
- Step 1: Write the proportion equation
929,790.27 : 1,283,142.69 = 516,334.00 : x - Step 2: Convert to fraction form
929,790.27/1,283,142.69 = 516,334.00/x - Step 3: Cross multiply
929,790.27x = 1,283,142.69 × 516,334.00 - Step 4: Simplify right side
929,790.27x = 662,530,199,779.21 - Step 5: Solve for x
x = 662,530,199,779.21/929,790.27 - Step 6: Final answer
x = 712,558.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.