Finding the Fourth Proportional to 688,243.44, 1,030,703.99 and 413,900.69
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Solution
The fourth proportional to 688,243.44, 1,030,703.99 and 413,900.69 is: 619,852.03
Step by Step Solution
- Step 1: Write the proportion equation
688,243.44 : 1,030,703.99 = 413,900.69 : x - Step 2: Convert to fraction form
688,243.44/1,030,703.99 = 413,900.69/x - Step 3: Cross multiply
688,243.44x = 1,030,703.99 × 413,900.69 - Step 4: Simplify right side
688,243.44x = 426,609,093,154.01 - Step 5: Solve for x
x = 426,609,093,154.01/688,243.44 - Step 6: Final answer
x = 619,852.03
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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.