Finding the Fourth Proportional to 848,305.20, 1,272,457.80 and 488,106.30
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Solution
The fourth proportional to 848,305.20, 1,272,457.80 and 488,106.30 is: 732,159.45
Step by Step Solution
- Step 1: Write the proportion equation
848,305.20 : 1,272,457.80 = 488,106.30 : x - Step 2: Convert to fraction form
848,305.20/1,272,457.80 = 488,106.30/x - Step 3: Cross multiply
848,305.20x = 1,272,457.80 × 488,106.30 - Step 4: Simplify right side
848,305.20x = 621,094,668,664.14 - Step 5: Solve for x
x = 621,094,668,664.14/848,305.20 - Step 6: Final answer
x = 732,159.45
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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.