Finding the Fourth Proportional to 875,457.09, 1,208,106.18 and 488,284.23
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Solution
The fourth proportional to 875,457.09, 1,208,106.18 and 488,284.23 is: 673,818.51
Step by Step Solution
- Step 1: Write the proportion equation
875,457.09 : 1,208,106.18 = 488,284.23 : x - Step 2: Convert to fraction form
875,457.09/1,208,106.18 = 488,284.23/x - Step 3: Cross multiply
875,457.09x = 1,208,106.18 × 488,284.23 - Step 4: Simplify right side
875,457.09x = 589,899,195,859.54 - Step 5: Solve for x
x = 589,899,195,859.54/875,457.09 - Step 6: Final answer
x = 673,818.51
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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.