Finding the Fourth Proportional to 611,669.99, 844,170.75 and 370,085.77
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Solution
The fourth proportional to 611,669.99, 844,170.75 and 370,085.77 is: 510,758.39
Step by Step Solution
- Step 1: Write the proportion equation
611,669.99 : 844,170.75 = 370,085.77 : x - Step 2: Convert to fraction form
611,669.99/844,170.75 = 370,085.77/x - Step 3: Cross multiply
611,669.99x = 844,170.75 × 370,085.77 - Step 4: Simplify right side
611,669.99x = 312,415,583,080.44 - Step 5: Solve for x
x = 312,415,583,080.44/611,669.99 - Step 6: Final answer
x = 510,758.39
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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.