Finding the Fourth Proportional to 842,592.75, 1,263,898.34 and 243,559.09
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Solution
The fourth proportional to 842,592.75, 1,263,898.34 and 243,559.09 is: 365,341.31
Step by Step Solution
- Step 1: Write the proportion equation
842,592.75 : 1,263,898.34 = 243,559.09 : x - Step 2: Convert to fraction form
842,592.75/1,263,898.34 = 243,559.09/x - Step 3: Cross multiply
842,592.75x = 1,263,898.34 × 243,559.09 - Step 4: Simplify right side
842,592.75x = 307,833,935,058.06 - Step 5: Solve for x
x = 307,833,935,058.06/842,592.75 - Step 6: Final answer
x = 365,341.31
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1.5x scale
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.