Finding the Fourth Proportional to 794,430.10, 1,096,046.70 and 450,239.02
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Solution
The fourth proportional to 794,430.10, 1,096,046.70 and 450,239.02 is: 621,178.62
Step by Step Solution
- Step 1: Write the proportion equation
794,430.10 : 1,096,046.70 = 450,239.02 : x - Step 2: Convert to fraction form
794,430.10/1,096,046.70 = 450,239.02/x - Step 3: Cross multiply
794,430.10x = 1,096,046.70 × 450,239.02 - Step 4: Simplify right side
794,430.10x = 493,482,992,082.23 - Step 5: Solve for x
x = 493,482,992,082.23/794,430.10 - Step 6: Final answer
x = 621,178.62
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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.