Finding the Fourth Proportional to 772,351.20, 1,065,786.48 and 432,753.84
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Solution
The fourth proportional to 772,351.20, 1,065,786.48 and 432,753.84 is: 597,167.70
Step by Step Solution
- Step 1: Write the proportion equation
772,351.20 : 1,065,786.48 = 432,753.84 : x - Step 2: Convert to fraction form
772,351.20/1,065,786.48 = 432,753.84/x - Step 3: Cross multiply
772,351.20x = 1,065,786.48 × 432,753.84 - Step 4: Simplify right side
772,351.20x = 461,223,191,840.08 - Step 5: Solve for x
x = 461,223,191,840.08/772,351.20 - Step 6: Final answer
x = 597,167.70
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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.