Finding the Fourth Proportional to 805,534.40, 1,206,919.20 and 524,907.20
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Solution
The fourth proportional to 805,534.40, 1,206,919.20 and 524,907.20 is: 786,459.99
Step by Step Solution
- Step 1: Write the proportion equation
805,534.40 : 1,206,919.20 = 524,907.20 : x - Step 2: Convert to fraction form
805,534.40/1,206,919.20 = 524,907.20/x - Step 3: Cross multiply
805,534.40x = 1,206,919.20 × 524,907.20 - Step 4: Simplify right side
805,534.40x = 633,520,577,898.24 - Step 5: Solve for x
x = 633,520,577,898.24/805,534.40 - Step 6: Final answer
x = 786,459.99
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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.