Finding the Fourth Proportional to 668,130.24, 1,000,860.12 and 401,744.88
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Solution
The fourth proportional to 668,130.24, 1,000,860.12 and 401,744.88 is: 601,814.44
Step by Step Solution
- Step 1: Write the proportion equation
668,130.24 : 1,000,860.12 = 401,744.88 : x - Step 2: Convert to fraction form
668,130.24/1,000,860.12 = 401,744.88/x - Step 3: Cross multiply
668,130.24x = 1,000,860.12 × 401,744.88 - Step 4: Simplify right side
668,130.24x = 402,090,428,806.19 - Step 5: Solve for x
x = 402,090,428,806.19/668,130.24 - Step 6: Final answer
x = 601,814.44
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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.