Finding the Fourth Proportional to 754,484.68, 1,131,710.58 and 354,903.97
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Solution
The fourth proportional to 754,484.68, 1,131,710.58 and 354,903.97 is: 532,348.22
Step by Step Solution
- Step 1: Write the proportion equation
754,484.68 : 1,131,710.58 = 354,903.97 : x - Step 2: Convert to fraction form
754,484.68/1,131,710.58 = 354,903.97/x - Step 3: Cross multiply
754,484.68x = 1,131,710.58 × 354,903.97 - Step 4: Simplify right side
754,484.68x = 401,648,577,733.00 - Step 5: Solve for x
x = 401,648,577,733.00/754,484.68 - Step 6: Final answer
x = 532,348.22
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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.