Finding the Fourth Proportional to 776,823.10, 1,163,266.35 and 619,359.10
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Solution
The fourth proportional to 776,823.10, 1,163,266.35 and 619,359.10 is: 927,469.33
Step by Step Solution
- Step 1: Write the proportion equation
776,823.10 : 1,163,266.35 = 619,359.10 : x - Step 2: Convert to fraction form
776,823.10/1,163,266.35 = 619,359.10/x - Step 3: Cross multiply
776,823.10x = 1,163,266.35 × 619,359.10 - Step 4: Simplify right side
776,823.10x = 720,479,599,596.29 - Step 5: Solve for x
x = 720,479,599,596.29/776,823.10 - Step 6: Final answer
x = 927,469.33
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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.