Finding the Fourth Proportional to 516,205.19, 712,476.93 and 286,841.13
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Solution
The fourth proportional to 516,205.19, 712,476.93 and 286,841.13 is: 395,903.98
Step by Step Solution
- Step 1: Write the proportion equation
516,205.19 : 712,476.93 = 286,841.13 : x - Step 2: Convert to fraction form
516,205.19/712,476.93 = 286,841.13/x - Step 3: Cross multiply
516,205.19x = 712,476.93 × 286,841.13 - Step 4: Simplify right side
516,205.19x = 204,367,687,700.13 - Step 5: Solve for x
x = 204,367,687,700.13/516,205.19 - Step 6: Final answer
x = 395,903.98
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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.