Finding the Fourth Proportional to 936,151.93, 1,291,885.79 and 506,431.05
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Solution
The fourth proportional to 936,151.93, 1,291,885.79 and 506,431.05 is: 698,872.75
Step by Step Solution
- Step 1: Write the proportion equation
936,151.93 : 1,291,885.79 = 506,431.05 : x - Step 2: Convert to fraction form
936,151.93/1,291,885.79 = 506,431.05/x - Step 3: Cross multiply
936,151.93x = 1,291,885.79 × 506,431.05 - Step 4: Simplify right side
936,151.93x = 654,251,074,577.62 - Step 5: Solve for x
x = 654,251,074,577.62/936,151.93 - Step 6: Final answer
x = 698,872.75
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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.