Finding the Fourth Proportional to 912,272.24, 1,367,079.74 and 438,404.02
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Solution
The fourth proportional to 912,272.24, 1,367,079.74 and 438,404.02 is: 656,967.54
Step by Step Solution
- Step 1: Write the proportion equation
912,272.24 : 1,367,079.74 = 438,404.02 : x - Step 2: Convert to fraction form
912,272.24/1,367,079.74 = 438,404.02/x - Step 3: Cross multiply
912,272.24x = 1,367,079.74 × 438,404.02 - Step 4: Simplify right side
912,272.24x = 599,333,253,676.56 - Step 5: Solve for x
x = 599,333,253,676.56/912,272.24 - Step 6: Final answer
x = 656,967.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.