Finding the Fourth Proportional to 875,466.06, 1,313,789.98 and 342,921.03
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Solution
The fourth proportional to 875,466.06, 1,313,789.98 and 342,921.03 is: 514,612.99
Step by Step Solution
- Step 1: Write the proportion equation
875,466.06 : 1,313,789.98 = 342,921.03 : x - Step 2: Convert to fraction form
875,466.06/1,313,789.98 = 342,921.03/x - Step 3: Cross multiply
875,466.06x = 1,313,789.98 × 342,921.03 - Step 4: Simplify right side
875,466.06x = 450,526,208,004.24 - Step 5: Solve for x
x = 450,526,208,004.24/875,466.06 - Step 6: Final answer
x = 514,612.99
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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.