Finding the Fourth Proportional to 751,279.08, 1,126,918.62 and 455,169
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Solution
The fourth proportional to 751,279.08, 1,126,918.62 and 455,169 is: 682,753.50
Step by Step Solution
- Step 1: Write the proportion equation
751,279.08 : 1,126,918.62 = 455,169 : x - Step 2: Convert to fraction form
751,279.08/1,126,918.62 = 455,169/x - Step 3: Cross multiply
751,279.08x = 1,126,918.62 × 455,169 - Step 4: Simplify right side
751,279.08x = 512,938,421,346.78 - Step 5: Solve for x
x = 512,938,421,346.78/751,279.08 - Step 6: Final answer
x = 682,753.50
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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.