Finding the Fourth Proportional to 955,011.75, 1,318,103.40 and 547,386.81
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Solution
The fourth proportional to 955,011.75, 1,318,103.40 and 547,386.81 is: 755,501.09
Step by Step Solution
- Step 1: Write the proportion equation
955,011.75 : 1,318,103.40 = 547,386.81 : x - Step 2: Convert to fraction form
955,011.75/1,318,103.40 = 547,386.81/x - Step 3: Cross multiply
955,011.75x = 1,318,103.40 × 547,386.81 - Step 4: Simplify right side
955,011.75x = 721,512,415,376.15 - Step 5: Solve for x
x = 721,512,415,376.15/955,011.75 - Step 6: Final answer
x = 755,501.09
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1.5x scale
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.