Finding the Fourth Proportional to 875,365.22, 1,208,013.20 and 493,391.99
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Solution
The fourth proportional to 875,365.22, 1,208,013.20 and 493,391.99 is: 680,886.12
Step by Step Solution
- Step 1: Write the proportion equation
875,365.22 : 1,208,013.20 = 493,391.99 : x - Step 2: Convert to fraction form
875,365.22/1,208,013.20 = 493,391.99/x - Step 3: Cross multiply
875,365.22x = 1,208,013.20 × 493,391.99 - Step 4: Simplify right side
875,365.22x = 596,024,028,187.24 - Step 5: Solve for x
x = 596,024,028,187.24/875,365.22 - Step 6: Final answer
x = 680,886.12
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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.