Finding the Fourth Proportional to 843,995.19, 1,164,713.27 and 456,810.55
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Solution
The fourth proportional to 843,995.19, 1,164,713.27 and 456,810.55 is: 630,398.50
Step by Step Solution
- Step 1: Write the proportion equation
843,995.19 : 1,164,713.27 = 456,810.55 : x - Step 2: Convert to fraction form
843,995.19/1,164,713.27 = 456,810.55/x - Step 3: Cross multiply
843,995.19x = 1,164,713.27 × 456,810.55 - Step 4: Simplify right side
843,995.19x = 532,053,303,637.43 - Step 5: Solve for x
x = 532,053,303,637.43/843,995.19 - Step 6: Final answer
x = 630,398.50
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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.