Finding the Fourth Proportional to 768,770.13, 1,060,968.38 and 429,303.99
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Solution
The fourth proportional to 768,770.13, 1,060,968.38 and 429,303.99 is: 592,476.14
Step by Step Solution
- Step 1: Write the proportion equation
768,770.13 : 1,060,968.38 = 429,303.99 : x - Step 2: Convert to fraction form
768,770.13/1,060,968.38 = 429,303.99/x - Step 3: Cross multiply
768,770.13x = 1,060,968.38 × 429,303.99 - Step 4: Simplify right side
768,770.13x = 455,477,956,651.32 - Step 5: Solve for x
x = 455,477,956,651.32/768,770.13 - Step 6: Final answer
x = 592,476.14
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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.