Finding the Fourth Proportional to 703,358.56, 970,635.36 and 412,913.28
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Solution
The fourth proportional to 703,358.56, 970,635.36 and 412,913.28 is: 569,820.65
Step by Step Solution
- Step 1: Write the proportion equation
703,358.56 : 970,635.36 = 412,913.28 : x - Step 2: Convert to fraction form
703,358.56/970,635.36 = 412,913.28/x - Step 3: Cross multiply
703,358.56x = 970,635.36 × 412,913.28 - Step 4: Simplify right side
703,358.56x = 400,788,230,181.58 - Step 5: Solve for x
x = 400,788,230,181.58/703,358.56 - Step 6: Final answer
x = 569,820.65
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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.