Finding the Fourth Proportional to 790,029.99, 1,184,546.76 and 435,293.12
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Solution
The fourth proportional to 790,029.99, 1,184,546.76 and 435,293.12 is: 652,665.17
Step by Step Solution
- Step 1: Write the proportion equation
790,029.99 : 1,184,546.76 = 435,293.12 : x - Step 2: Convert to fraction form
790,029.99/1,184,546.76 = 435,293.12/x - Step 3: Cross multiply
790,029.99x = 1,184,546.76 × 435,293.12 - Step 4: Simplify right side
790,029.99x = 515,625,052,769.83 - Step 5: Solve for x
x = 515,625,052,769.83/790,029.99 - Step 6: Final answer
x = 652,665.17
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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.