Finding the Fourth Proportional to 468,857.99, 704,144.97 and 429,332.01
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Solution
The fourth proportional to 468,857.99, 704,144.97 and 429,332.01 is: 644,783.68
Step by Step Solution
- Step 1: Write the proportion equation
468,857.99 : 704,144.97 = 429,332.01 : x - Step 2: Convert to fraction form
468,857.99/704,144.97 = 429,332.01/x - Step 3: Cross multiply
468,857.99x = 704,144.97 × 429,332.01 - Step 4: Simplify right side
468,857.99x = 302,311,975,301.49 - Step 5: Solve for x
x = 302,311,975,301.49/468,857.99 - Step 6: Final answer
x = 644,783.68
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1.5x scale
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.