Finding the Fourth Proportional to 929,020.70, 1,394,567.85 and 868,108.70
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Solution
The fourth proportional to 929,020.70, 1,394,567.85 and 868,108.70 is: 1,303,131.87
Step by Step Solution
- Step 1: Write the proportion equation
929,020.70 : 1,394,567.85 = 868,108.70 : x - Step 2: Convert to fraction form
929,020.70/1,394,567.85 = 868,108.70/x - Step 3: Cross multiply
929,020.70x = 1,394,567.85 × 868,108.70 - Step 4: Simplify right side
929,020.70x = 1,210,636,483,325.30 - Step 5: Solve for x
x = 1,210,636,483,325.30/929,020.70 - Step 6: Final answer
x = 1,303,131.87
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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.