Finding the Fourth Proportional to 936,867.86, 1,405,091.57 and 430,943.00
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Solution
The fourth proportional to 936,867.86, 1,405,091.57 and 430,943.00 is: 646,317.80
Step by Step Solution
- Step 1: Write the proportion equation
936,867.86 : 1,405,091.57 = 430,943.00 : x - Step 2: Convert to fraction form
936,867.86/1,405,091.57 = 430,943.00/x - Step 3: Cross multiply
936,867.86x = 1,405,091.57 × 430,943.00 - Step 4: Simplify right side
936,867.86x = 605,514,372,276.29 - Step 5: Solve for x
x = 605,514,372,276.29/936,867.86 - Step 6: Final answer
x = 646,317.80
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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.