Finding the Fourth Proportional to 558,997.11, 771,377.08 and 317,284.60
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Solution
The fourth proportional to 558,997.11, 771,377.08 and 317,284.60 is: 437,830.65
Step by Step Solution
- Step 1: Write the proportion equation
558,997.11 : 771,377.08 = 317,284.60 : x - Step 2: Convert to fraction form
558,997.11/771,377.08 = 317,284.60/x - Step 3: Cross multiply
558,997.11x = 771,377.08 × 317,284.60 - Step 4: Simplify right side
558,997.11x = 244,746,068,276.97 - Step 5: Solve for x
x = 244,746,068,276.97/558,997.11 - Step 6: Final answer
x = 437,830.65
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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.