Finding the Fourth Proportional to 851,804.70, 1,277,707.05 and 477,779.10
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Solution
The fourth proportional to 851,804.70, 1,277,707.05 and 477,779.10 is: 716,668.65
Step by Step Solution
- Step 1: Write the proportion equation
851,804.70 : 1,277,707.05 = 477,779.10 : x - Step 2: Convert to fraction form
851,804.70/1,277,707.05 = 477,779.10/x - Step 3: Cross multiply
851,804.70x = 1,277,707.05 × 477,779.10 - Step 4: Simplify right side
851,804.70x = 610,461,724,412.66 - Step 5: Solve for x
x = 610,461,724,412.66/851,804.70 - Step 6: Final answer
x = 716,668.65
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1.5x scale
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.