Finding the Fourth Proportional to 853,844.22, 1,178,430.12 and 514,305.18
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Solution
The fourth proportional to 853,844.22, 1,178,430.12 and 514,305.18 is: 709,816.50
Step by Step Solution
- Step 1: Write the proportion equation
853,844.22 : 1,178,430.12 = 514,305.18 : x - Step 2: Convert to fraction form
853,844.22/1,178,430.12 = 514,305.18/x - Step 3: Cross multiply
853,844.22x = 1,178,430.12 × 514,305.18 - Step 4: Simplify right side
853,844.22x = 606,072,714,984.02 - Step 5: Solve for x
x = 606,072,714,984.02/853,844.22 - Step 6: Final answer
x = 709,816.50
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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.