Finding the Fourth Proportional to 523,218.38, 722,055.18 and 293,793.98
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Solution
The fourth proportional to 523,218.38, 722,055.18 and 293,793.98 is: 405,443.45
Step by Step Solution
- Step 1: Write the proportion equation
523,218.38 : 722,055.18 = 293,793.98 : x - Step 2: Convert to fraction form
523,218.38/722,055.18 = 293,793.98/x - Step 3: Cross multiply
523,218.38x = 722,055.18 × 293,793.98 - Step 4: Simplify right side
523,218.38x = 212,135,465,111.82 - Step 5: Solve for x
x = 212,135,465,111.82/523,218.38 - Step 6: Final answer
x = 405,443.45
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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.