Finding the Fourth Proportional to 741,392.34, 1,023,120.27 and 401,860.68
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Solution
The fourth proportional to 741,392.34, 1,023,120.27 and 401,860.68 is: 554,567.11
Step by Step Solution
- Step 1: Write the proportion equation
741,392.34 : 1,023,120.27 = 401,860.68 : x - Step 2: Convert to fraction form
741,392.34/1,023,120.27 = 401,860.68/x - Step 3: Cross multiply
741,392.34x = 1,023,120.27 × 401,860.68 - Step 4: Simplify right side
741,392.34x = 411,151,807,423.98 - Step 5: Solve for x
x = 411,151,807,423.98/741,392.34 - Step 6: Final answer
x = 554,567.11
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1.5x scale
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.