Finding the Fourth Proportional to 527,075.44, 790,328.76 and 273,730.92
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Solution
The fourth proportional to 527,075.44, 790,328.76 and 273,730.92 is: 410,448.68
Step by Step Solution
- Step 1: Write the proportion equation
527,075.44 : 790,328.76 = 273,730.92 : x - Step 2: Convert to fraction form
527,075.44/790,328.76 = 273,730.92/x - Step 3: Cross multiply
527,075.44x = 790,328.76 × 273,730.92 - Step 4: Simplify right side
527,075.44x = 216,337,418,577.26 - Step 5: Solve for x
x = 216,337,418,577.26/527,075.44 - Step 6: Final answer
x = 410,448.68
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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.