Finding the Fourth Proportional to 819,205.98, 1,130,449.14 and 513,273.84
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Solution
The fourth proportional to 819,205.98, 1,130,449.14 and 513,273.84 is: 708,283.37
Step by Step Solution
- Step 1: Write the proportion equation
819,205.98 : 1,130,449.14 = 513,273.84 : x - Step 2: Convert to fraction form
819,205.98/1,130,449.14 = 513,273.84/x - Step 3: Cross multiply
819,205.98x = 1,130,449.14 × 513,273.84 - Step 4: Simplify right side
819,205.98x = 580,229,971,012.50 - Step 5: Solve for x
x = 580,229,971,012.50/819,205.98 - Step 6: Final answer
x = 708,283.37
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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.