Finding the Fourth Proportional to 950,715.90, 1,311,988.85 and 520,996.99
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Solution
The fourth proportional to 950,715.90, 1,311,988.85 and 520,996.99 is: 718,976.34
Step by Step Solution
- Step 1: Write the proportion equation
950,715.90 : 1,311,988.85 = 520,996.99 : x - Step 2: Convert to fraction form
950,715.90/1,311,988.85 = 520,996.99/x - Step 3: Cross multiply
950,715.90x = 1,311,988.85 × 520,996.99 - Step 4: Simplify right side
950,715.90x = 683,542,241,763.56 - Step 5: Solve for x
x = 683,542,241,763.56/950,715.90 - Step 6: Final answer
x = 718,976.34
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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.