Finding the Fourth Proportional to 783,466.84, 1,080,786.36 and 511,693.84
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Solution
The fourth proportional to 783,466.84, 1,080,786.36 and 511,693.84 is: 705,877.64
Step by Step Solution
- Step 1: Write the proportion equation
783,466.84 : 1,080,786.36 = 511,693.84 : x - Step 2: Convert to fraction form
783,466.84/1,080,786.36 = 511,693.84/x - Step 3: Cross multiply
783,466.84x = 1,080,786.36 × 511,693.84 - Step 4: Simplify right side
783,466.84x = 553,031,722,768.02 - Step 5: Solve for x
x = 553,031,722,768.02/783,466.84 - Step 6: Final answer
x = 705,877.64
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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.