Finding the Fourth Proportional to 846,311.28, 1,167,888.46 and 473,768.99
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Solution
The fourth proportional to 846,311.28, 1,167,888.46 and 473,768.99 is: 653,789.39
Step by Step Solution
- Step 1: Write the proportion equation
846,311.28 : 1,167,888.46 = 473,768.99 : x - Step 2: Convert to fraction form
846,311.28/1,167,888.46 = 473,768.99/x - Step 3: Cross multiply
846,311.28x = 1,167,888.46 × 473,768.99 - Step 4: Simplify right side
846,311.28x = 553,309,336,126.86 - Step 5: Solve for x
x = 553,309,336,126.86/846,311.28 - Step 6: Final answer
x = 653,789.39
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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.