Finding the Fourth Proportional to 936,712.08, 1,405,214.46 and 305,479.08
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Solution
The fourth proportional to 936,712.08, 1,405,214.46 and 305,479.08 is: 458,266.34
Step by Step Solution
- Step 1: Write the proportion equation
936,712.08 : 1,405,214.46 = 305,479.08 : x - Step 2: Convert to fraction form
936,712.08/1,405,214.46 = 305,479.08/x - Step 3: Cross multiply
936,712.08x = 1,405,214.46 × 305,479.08 - Step 4: Simplify right side
936,712.08x = 429,263,620,443.50 - Step 5: Solve for x
x = 429,263,620,443.50/936,712.08 - Step 6: Final answer
x = 458,266.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.