Finding the Fourth Proportional to 875,827.80, 1,313,130.42 and 448,533.36
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Solution
The fourth proportional to 875,827.80, 1,313,130.42 and 448,533.36 is: 672,486.99
Step by Step Solution
- Step 1: Write the proportion equation
875,827.80 : 1,313,130.42 = 448,533.36 : x - Step 2: Convert to fraction form
875,827.80/1,313,130.42 = 448,533.36/x - Step 3: Cross multiply
875,827.80x = 1,313,130.42 × 448,533.36 - Step 4: Simplify right side
875,827.80x = 588,982,799,400.81 - Step 5: Solve for x
x = 588,982,799,400.81/875,827.80 - Step 6: Final answer
x = 672,486.99
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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.