Finding the Fourth Proportional to 808,000.20, 1,115,048.04 and 445,438.20
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Solution
The fourth proportional to 808,000.20, 1,115,048.04 and 445,438.20 is: 614,709.00
Step by Step Solution
- Step 1: Write the proportion equation
808,000.20 : 1,115,048.04 = 445,438.20 : x - Step 2: Convert to fraction form
808,000.20/1,115,048.04 = 445,438.20/x - Step 3: Cross multiply
808,000.20x = 1,115,048.04 × 445,438.20 - Step 4: Simplify right side
808,000.20x = 496,684,991,851.13 - Step 5: Solve for x
x = 496,684,991,851.13/808,000.20 - Step 6: Final answer
x = 614,709.00
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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.