Finding the Fourth Proportional to 567,249.76, 782,809.84 and 312,610.08
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Solution
The fourth proportional to 567,249.76, 782,809.84 and 312,610.08 is: 431,404.76
Step by Step Solution
- Step 1: Write the proportion equation
567,249.76 : 782,809.84 = 312,610.08 : x - Step 2: Convert to fraction form
567,249.76/782,809.84 = 312,610.08/x - Step 3: Cross multiply
567,249.76x = 782,809.84 × 312,610.08 - Step 4: Simplify right side
567,249.76x = 244,714,246,707.19 - Step 5: Solve for x
x = 244,714,246,707.19/567,249.76 - Step 6: Final answer
x = 431,404.76
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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.