Finding the Fourth Proportional to 767,682.97, 1,151,274.97 and 255,210.55
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Solution
The fourth proportional to 767,682.97, 1,151,274.97 and 255,210.55 is: 382,732.89
Step by Step Solution
- Step 1: Write the proportion equation
767,682.97 : 1,151,274.97 = 255,210.55 : x - Step 2: Convert to fraction form
767,682.97/1,151,274.97 = 255,210.55/x - Step 3: Cross multiply
767,682.97x = 1,151,274.97 × 255,210.55 - Step 4: Simplify right side
767,682.97x = 293,817,518,294.93 - Step 5: Solve for x
x = 293,817,518,294.93/767,682.97 - Step 6: Final answer
x = 382,732.89
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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.