Finding the Fourth Proportional to 703,054.08, 970,213.14 and 380,763.18
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Solution
The fourth proportional to 703,054.08, 970,213.14 and 380,763.18 is: 525,452.38
Step by Step Solution
- Step 1: Write the proportion equation
703,054.08 : 970,213.14 = 380,763.18 : x - Step 2: Convert to fraction form
703,054.08/970,213.14 = 380,763.18/x - Step 3: Cross multiply
703,054.08x = 970,213.14 × 380,763.18 - Step 4: Simplify right side
703,054.08x = 369,421,440,464.19 - Step 5: Solve for x
x = 369,421,440,464.19/703,054.08 - Step 6: Final answer
x = 525,452.38
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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.