Finding the Fourth Proportional to 447,819.08, 617,337.44 and 340,202.28
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Solution
The fourth proportional to 447,819.08, 617,337.44 and 340,202.28 is: 468,983.15
Step by Step Solution
- Step 1: Write the proportion equation
447,819.08 : 617,337.44 = 340,202.28 : x - Step 2: Convert to fraction form
447,819.08/617,337.44 = 340,202.28/x - Step 3: Cross multiply
447,819.08x = 617,337.44 × 340,202.28 - Step 4: Simplify right side
447,819.08x = 210,019,604,617.36 - Step 5: Solve for x
x = 210,019,604,617.36/447,819.08 - Step 6: Final answer
x = 468,983.15
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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.