Finding the Fourth Proportional to 554,476.44, 765,176.58 and 312,758.26
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Solution
The fourth proportional to 554,476.44, 765,176.58 and 312,758.26 is: 431,605.89
Step by Step Solution
- Step 1: Write the proportion equation
554,476.44 : 765,176.58 = 312,758.26 : x - Step 2: Convert to fraction form
554,476.44/765,176.58 = 312,758.26/x - Step 3: Cross multiply
554,476.44x = 765,176.58 × 312,758.26 - Step 4: Simplify right side
554,476.44x = 239,315,295,753.55 - Step 5: Solve for x
x = 239,315,295,753.55/554,476.44 - Step 6: Final answer
x = 431,605.89
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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.