Finding the Fourth Proportional to 790,370.91, 1,185,559.46 and 191,331.09
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Solution
The fourth proportional to 790,370.91, 1,185,559.46 and 191,331.09 is: 286,997.38
Step by Step Solution
- Step 1: Write the proportion equation
790,370.91 : 1,185,559.46 = 191,331.09 : x - Step 2: Convert to fraction form
790,370.91/1,185,559.46 = 191,331.09/x - Step 3: Cross multiply
790,370.91x = 1,185,559.46 × 191,331.09 - Step 4: Simplify right side
790,370.91x = 226,834,382,784.96 - Step 5: Solve for x
x = 226,834,382,784.96/790,370.91 - Step 6: Final answer
x = 286,997.38
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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.